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Forum > The Goldfish Topics > Goldfish Tanks > Water problems? Questions about water quality?
Slugger
Hi Everyone,

Would like to hear from anyone on the symptoms of internal parasites.

I have a sneaky suspiscion that my fave black moor may have something wrong, but I'm not sure.

All of my other fish in my other tanks are mega active, but not my black moor.

He is about 5" including his short stubby tail and is very fat and rounded up to his vent. No pineconing observed.

He is very lazy/sluggish and only swims by dragging his tummy along the bottom of the tank.

He eats once a day and usually poops normal stuff, though ocassionally thin white poop.

I have only had him for about 4 months and he has been like this since I got him. He lives in a 10 gallon tank on his own, with a hang on top filter plus a small box filter run from my air pump.

I change about half the water at least once a week and amm/nitrites are zero. Nitrates are always low.

Would be grateful for some pointers biggrin.gif

Slugger
toothless
Hi there. biggrin.gif

First, I must say, you sound like you are doing a wonderful job of keeping him in a good clean environment. However, a little light on your tapwater chemistry would help to clear some things up. Namely pH and KH (carbonate hardness). Do you know the pH/KH from your tapwater and from his tankwater?


Ok, I've got several other questions for you:

When you say he swims by dragging his belly on the bottom, is this ALL the time or does he swim around normal sometimes?

When you feed him, how much do you feed (pellet size and amount, how many pinches of flakes, etc.)?

How big is he (body length)?

Are his fins clamped close to his body at all? Is there any fin erosion?

What is the temp of his tank?

Are there any other symptoms you noticed since you got him, even ones you don't see anymore?

Sorry for all the questions. Its just that this isn't exactly the run of the mill symptoms here. There could be numerous things wrong and I'm just trying to narrow it down. As of yet, nothing is really pointing towards internal parasites, yet.


Post back soon. smile.gif
Slugger
Thanks Toothless,

I'll get all the info together when I get home from work and post back.

Slugger
Slugger
Hi Toothless,

Sorry I took so long to write back, I just came back from a formal dinner I had forgotten about. alc.gif

I just did some addtional water tests and this is what shows up:

Tap
GH 60ppm
KH 40ppm
pH >7.6

Tank
GH 80ppm
KH <10ppm
pH 6.2

Answers:

He usually stays stationary, close to the bottom, with his tail facing the front of the tank. When he does swim, he normally swims with his tummy bouncing/dragging along the bottom. Ocassionally swims to the top, by the sides but never along the front.

I feed him 3mm pellets, just over a thumbnail's worth

His body is 4" long

None of his fins are clamped and no fin erosion, though there is a permanent kink in his right fin. No discolouration on this fin.

The tank is 30C/86F, room temp (Its summer!! banana.gif )

A couple months back, he did have an infection, white wispy growth on his fins, tail and mouth. A dose of salt got rid of all signs.

Something else I forgot to add, I use Nurafin Aqua+ for conditioning, and I usually add a teaspoon of salt during water changes (50%). As I said before, I change the water once, somethimes twice a week.

His inactivity really bugs me. It makes me worry because he really is my favourite fishy. When I last lost a Black Moor, I stopped keeping all fish for over a year. It hit me quite bad.

Hope this info can assist you to shed some light on my problem, ahem.

Thanks

Slugger
toothless
Well, there certainly are a couple of things that needs some work. I believe once these problems are worked out, you will see some marked improvement.


At a temp of 86 degrees, the water your goldie is living in is very low in dissolved oxygen. This, in itself, can and usually will cause goldfish to become inactive. Usually they will pipe at the waters surface or sit on the bottom. Either way, I suggest upping the aeration by adding a bubble wall to his tank. Even though you have an aerator hooked up to a little filter, its o2 increasing ability is hindered because of the filter. Leave the filter and get another aerator with bubble wall.


Another thing that concerns me (well, your goldie) is the difference in pH (and KH) from the tap to the tank. KH is what keeps your pH stable. If the kH is low or drops, the pH will plunge as a result. This as well as low o2 levels, causes many symptoms to appear. I highly suspect that the pH diff is the main culprit here. Fixing the pH/KH problem might or might not cause an immediate improvement. It just depends on the extent of the damage done.

Good news though! His appetite is perhaps the best sign you can hope for. With him eating, it will make a recovery all that much easier. wink.gif


Ok, how to fix your water chemistry problems remains to be seen. There are several ways (baking soda, crushed oyster shells, crushed coral, commercially bought buffers) to increase your KH to more optimal levels. Figuring out wich one will work best for you will be by trial and error. There really isn't any other way. Just whatever you do, do it in small increments so that any sudden changes to pH in the tank are minimal.

So, I suggest that you start a thread in the water chemistry forum for further guidance. There, you should recieve some very good advice on how to fix this. In the meantime, you are going to have to start doing a lot more waterchanges to keep your pH steady. Daily testing and waterchanges are going to become a chore until you get a good regemine figured out. Once done, your waterchanges can resume to once or twice a week again.

Go ahead and start by doing a 25% waterchange. let sit for an hour and then do another 25% waterchange. Etc. Etc. Test after each change until the pH in the tank is matching that of that tank. Remember, slowly but surely. Once the pH from the tank matches that of the tank, start teting the pH daily. Whenever you see a drop (however slight) in pH, do a large enough waterchange to keep it there. After you get the pH up and steady in the tank, you can begin working with whatever medium is chosen to control KH.

I'm going to go ahead and move this thread to the water chemistry forum for you. That way, all the info is right there. cool.gif


Good luck!
Slugger
Thanks for your advice, its very much appreciated.

I had laughed when a similar sort of thing happened to a friend of mine keeping tropicals....

I'll start the water changes & pH monitoring and give the results soon. Should I monitor KH as well?

For this much pH testing, I'm gonna get myself an electronic pH tester. Any reliable brands recommended?

Thanks and I'll keep you posted.

Slugger
toothless
I dont know of a good pH pen, myself (im in the market or one too), but I'm sure an inquiry in the products forum will get some results. wink.gif


You can (and probably should) test for KH when testing pH. This way, you will be getting a complete picture of whats going on.

I forgot to tell you the reason why your KH is falling. Simply put; the nitrification cycle is an acidic process. The KH is used up by the acids being released from fish waste and thus reducing your pH. The frequent waterchanges you will be doing will be replacing the KH before it can be reduced enough for the pH to fall.


So, anyone have any suggestions as to what Sluggers best course of action would be? huh.gif
Fishmerised
Wow, that's a pretty concise summary Toothless and very easy to understand. All this kH stuff is beginnng to sink into my thick little skull now. I can't think of anything more to add except to make a product recommendation.

I use Seachem Gold Buffer to maintain a steady pH. I was using a different product but it was making my water too hard. Seachem was recommended to me by the owner of the koi farm I visit, I am mighty impressed by his fish!
Slugger
It's past 1am and I'm tired of water changes for today.

I got the pH to 7.6 and the KH seems to be stuck at 30 for the last 3 water changes.

Out of the tap, pH 7.6 and KH 40. Water temp 28C

I'll start again tomorrow.

I haven't been to the fish shops yet, so no pH meter, nor additional airstone.

I've seen this Seachem stuff in the shops, but never knew what is was for. Fishmerised, do you add this to every water change?

I plan on going to the fish shops biggrin.gif, tomorrow afternoon or after work on Monday, to buy whatever I need for remedial action.

Thanks for the help.

Slugger yeah.gif
DataGuru
Yea. the buffering capacity of your tap water is low (KH=40ppm), so partial water changes won't be enough to keep pH from getting acidic.

I'd use baking soda to increase KH. a little under a quarter of a teaspoon should raise your KH by about 1 dh or 18ppm. Predissolve in tank water then add slowly to a high flow area. Give it time to disperse and then check pH and KH again. The rule of thumb is to change pH by no more than .4 per day and the goal is to gradually bring KH up to around 120ppm. That should keep pH stable and in the high 7s between partial water changes.

Another thing that would help, is to add crushed coral or crushed oyster shells in a high flow area (either a media basket or knee high hose in your filter if it'll fit or in an other high flow area. Those dissolve when pH drops below 7.5 and will increase general hardness (GH-calcium and magnesium) and KH (bicarbonates--to maintain pH). Given your tap water is low in KH, even with the crushed minerals, you may need to buffer the change water up some.

Ditto on the O2 levels. warmer water holds less oxygen, so doing things that disturb the surface of the water will promote O2 saturation in the water.



Fishmerised
Add the initial dose gradually (I started with a third dose at a time to increase pH slowly). I had to add the full recommended dose first time round to get the ph to 7.8.

After that I have only had to add half recommended dose with each water change to maintain buffer/pH.

Our water is very soft. I did request readings from the water board as I don't have gH/kH test kits (and my brain just doesn't work well with chemistry/physics). They send me a mega document was was beyond me so I just took the word of the customer service operator who said it was "soft water".
Slugger
Thanks for the response, this is what I plan to do:

Add baking soda to increase KH. Does this increase pH as well?
Remove carbon and add crushed coral to the hang on top filter

This seems the cheapest option, I'll buy the Seachem stuff if this doesn't work.

Any other things I should keep an eye on?

I'm going to buy the stuff tomorrow after work, and I'll keep you posted on the results.

Thanks

Slugger

DataGuru
That sounds like a good plan. smile.gif

at first it will raise pH, cuz the bicarbonates get used up buffering the acids present, then you'll see KH increase as you add more baking soda.

Just keep an eye on ammonia and nitrIte for a while. Your biofilter bacteria don't like low pH and I believe they actually need bicarbonates to do their thing, so they may be a bit unhappy.

My moors tend to hang out on the bottom more than my other goldies do... and my big moor lumpy is similar to what you describe. He went thru a reallly tough time Dec 2003 when we were clueless and I almost killed him trying to treat them. His swim bladder just can't handle his bulk.
Slugger
This is what I did this evening:

-Changed the carbon in my HOT filter to crushed coral
-Added 1/4 tspn sodium bi-carbonate to 25% water change

Before these changes:

pH 7.2
KH 20

After the changes:

pH 7.6
KH 40
Temp 30C

I'll continue the 1/4tsp soda with the 25% daily water changes till I get to KH 120.

No changes in behaviour of my fishy.

Wish me luck...

Slugger biggrin.gif
toothless
Awesome! your well on your way to getting everything handled nicely. smile.gif

Keep us posted! laugh.gif
Slugger
A thought just occurred....headscratch.gif

I used small sized broken coral because I thought they might dissolve better.

Should I have bought the larger sized pieces? Do they contain more calcium carbonate?

Slugger biggrin.gif
toothless
Nope, small sized peices have a much larger surface area. Thus, any releasing of calcim carbonates will be sped up considerably. wink.gif
Slugger
This is what happened this evening:

Before water change:

pH > 7.6
KH 60

After 25% water change & 1/4 tspn soda

pH > 7.6
KH 80
temp 28C

KH is on the up!!

My pH test only goes up to 7.6. I don't think that this should be a problem because I'm only using baking soda. Even if I add loads of soda, there should be a maximum concentration that I can reach. ie. I don't think I can make a super alkali out of baking soda. Agree?

Slugger
DataGuru
right... the highest baking soda will take pH is 8.3, so I doubt it's even close to that.

It sounds like that should be the perfect amount of baking soda for partial water changes. Test KH and pH right before your next partial water change to see how they're both running.
Slugger
OK....so this is what happened this evening:

Before:

pH 7.6
KH 80

After 25% water change and 1/4 tspn baking soda

pH >7.6
KH 100
temp 28C

Nearly upto 120, so close and yet so far.

What do I do when I get to the "Holy Grail"? biggrin.gif

Slugger

PS I'm doing the same for my other goldfish tank. I didn't post the results because I didn't want to mess up this thread. I'm getting very similar results, but the fish are misbehaving.....too much mating wink.gif
Fishmerised
Oh those naughty fish.

I've been following your thread Slugger in the hope of learning something. I have a question too.

Since you have the crushed coral in there too won't that contribute to raising the pH? Sooner or later will the coral be enough without adding more baking soda?
Slugger
Hi Fishmerised,

I'm not 100% sure whether the coral will raise the KH or pH or both. It must do something huh? I'd guess it raises the pH, or rather maintains, just by looking at my results.

It looks like only the baking soda is increasing my KH.....

Hold on.....if I have crushed coral, which I guess maintains pH, then surely my KH won't drop. Unless the carbonates measured by KH are more easily eaten up than in pH? headscratch.gif

Could anyone enlighten me?

Slugger

406.gif
DataGuru
the crushed minerals (coral or oyster shell) dissolve when pH drops below 7.5 increasing general hardness (GH--primarily magnesium and calcium) and increasing KH (carbonate hardness--in the form of bicarbonates). KH buffers the acids produced in the tank and keeps pH from getting acidic. If you have enough crushed coral to dissolve when needed, it should maintain KH levels which in turn should help keep pH up in the mid 7s.

However, if your tap water is really low in KH (40ppm is low) and you have a large bioload in the tank... your partial water changes would lower KH and the crushed coral may not be able to dissolve fast enough to immediately keep up. So if your water has really low KH, then you may still need to buffer the change water with baking soda up to KH around 70 or pH of 7.5-7.6 when you do partial water changes.

The way to tell is after you get KH up stop adding backing soda and check KH/pH after your next partial water change and see how it does.

My tap water KH is about 70ppm, so the crushed oyster shell maintains my pH just fine and I don't need to buffer with baking now.

I hope that made sense!
There's some good info on it linked from here:
http://dataguru.org/misc/aquarium/FishInfo.html#WaterQuality

See the pH, KH, GH and biofiltration section.
Slugger
Thanks Dataguru for the info in easily digestible chunks. wink.gif

Once my KH reaches 120, I'm going to stop the daily water changes and carry out daily monitoring of pH and KH.

I'll also see what happens when I change water once a week without baking soda to see what happens.

I haven't quite figured out the pH chemistry yet, so it looks like more reading for me.....

I forgot to say thanks to toothless for the info on coral, so thanks to you as well.

I'll post my latest water parameters this evening.

Slugger biggrin.gif
Fishmerised
Good luck, Slugger. smile.gif
Slugger
Thanks Fishmerised,

Now, before the water changes this evening:

pH >7.6
KH 100

After 25% water change + 1/4 tspn baking soda

pH >7.6
KH 120
GH 80
Temp 28C

Yahay!!!! yay.gif Note General Hardness has hardly budged.

So what do I do now? Shall I stop using baking soda?

There's been little change in my Moor's behaviour, perhaps it will take some time. Meanwhile, I'll install an airstone perhaps tomorrow.

As you know, I have been duplicating this exercise with my other goldfish tank, and I have noticed some odd behaviour this evening. My three fish were crowded in the top corner of the tank, instead of chasing each other as usual.

I suspect that the water quality may have deteriorated in 1 day because:

I may have overfed this morning (I increased their rations, poop everywhere smile.gif )
There's milt all over the place because 2 are mating all the time smile.gif smile.gif
There was a strange rotten egg smell.
I might have cleaned my cannister too much when putting in the coral

I changed half the water (with baking soda, naturally) straight away and cleaned out the internal power filter. My fishies have perked up straight away.

I left my ammonia/nitrites/nitrates kits at work, so I'll test tomorrow.

Hope nothing goes wrong...


Wish me luck

Slugger biggrin.gif
DataGuru
It's good you did a partial water change after they spawned. that's what the smell's most likely from. That'll increase ammonia levels bigtime. so will overfeeding. plus they probably ate a bunch of eggs which are high protein. smile.gif

So what are they doing up in the top corner of the tank? Is ammonia or nitrite showing in that tank?

So is your water at 28C cuz that's room temp?
Slugger
I don't know the parameters because the test kits are at work, the goldfish tanks are at home....argh.

I suspect a mini-cycle because I may have disturbed my cannister too much and increased the bioload at the same time. I'm not ready to raise fry, so they can be cannibals mad.gif

They were very lively this morning before I left for work, so they may be OK. I didn't feed them for their own good.... sad.gif (feeling a bit guilty)

Anyway, I'll test this evening.

Its 28C room temp here at night. As long as I keep the bubbles going, they seem OK.

I'm going to the fish shops this evening to pick up some airline, airstone and t-junction. Luckily they're all bunched together on one street, so it's really convenient.

I love ogling at all the fish. The marine ones are very colourful (How about a nemo fish wink.gif ) There are one or two shops I always go to, where they have 8" (excluding tails) fantails, ranchus/lionheads, moors, basically loads of big fish. I just wish I had a big tank.....

I'll update this evening on both tanks.

Slugger
toothless
The mating is certainly a great sign. That means your doing good for them if they feel good enough to go at it like that.

Yuck! Milt everywhere, huh? Ummmmm, yeah..... YUCK! laugh.gif


Betty's awesome! Stick with her and she'll steer you right..... wink.gif

Good luck!

Paul
Slugger
I was so excited about going to the fish shops, I forgot to bring home my ammonia kits from work. Ah well, I'll test tomorrow instead. The fish look OK.

I carried out pH and KH tests on my Moor tank without water changes or addition of baking soda, results as follows:

pH >7.6
KH 120
temp 28C

Hopefully these values will stabilise, or at least drop only very slowly.

I'll continue daily monitoring, and revert back to weekly water changes.

Will keep you posted.

Slugger
DataGuru
Cool! Please do. smile.gif

FYI, with 4 large goldies in my 55, KH used to slip down about 2dh (~40ppm) during the week between partial water changes.

Warmer water holds less oxygen, so it's essential keep surface agitation happening to promote gas transfer.
Slugger
Hi Everybody,

There's good news and bad news:

Good News - Moor Tank with no water changes or baking soda. I've added an airstone, hopfully my Moor will liven up a bit.

pH>7.6
KH 110
temp 30C

The pH and KH seem pretty steady!! I plan to do a water change within the next few days, so we'll see how the pH and KH stand up.

Bad News - Other Goldfish tank

pH>7.6
KH 130
Temp 30C
Amm 0.5 to 1
Nitrites 0.3
Nitrates 20

I think I'm going through a mini-cycle because I disturbed both my cannister and internal power filter too much....

The fish didn't indicate signs of distress, but I still changed half the water.

I'll test again tomorrow and post back.

Slugger yeah.gif
DataGuru
Glad you did the partial water change... with pH of 7.6 and water temp of 30C, you'll need to keep ammonia at .5 or lower if you can.

You may want to back off on feeding till your biofilter bugs catch up.
Slugger
OK,

Here are my results from this evening's tests:

Moor Tank - No water changes or additional baking soda

pH >7.6
KH 100
Amm 0
Nitrites 0
Nitrates 5-10
temp 28C

The KH seems to be slowly dropping, even without water changes from my low KH tap water

Other goldfish tank - No water changes, but half changed yesterday with no baking soda

Amm 0
Nitrite 0.3
Nitrate 5
pH>7.6
KH 80
temp 28C

The cycling seems to be settling down, but my KH shows a big drop. I think this may be due to the water change yesterday.

It seems I would need the baking soda to maintain my KH. The thing is, do I need KH if I have coral to maintain my pH? Would it dissolve quick enough? I don't know if I want to take the risk wink.gif

Slugger biggrin.gif
DataGuru
What I did when I discovered pH slipping was to measure pH and KH right after a partial water change... then again right before the next partial water change. That told me how much KH was getting used up during the week. Then at each partial water change, I'd buffer with baking soda to give me enough leeway so that KH would stay above 4dh (70ppm) by the next partial water change.

Yea, I'd bet you're going to need baking soda for partial water changes even with crushed coral or crushed oyster shell in the filter. The crushed minerals would be like an insurance policy. You wouldn't be relying on them totally, but they'd be there just in case pH started slipping down below 7.5.
Slugger
Thanks for the feedback Dataguru, I think I'll add the baking soda when I make the next water change.

Tonight's water testing results are:

Moor Tank

pH>7.6
KH 110
temp 30C

I think the KH reading +/- 10 may be due to the limitations of the test I'm carrying out. I won't bother with the ammonia tests until the next water change.

Other Goldfish tank

Ammonia 0
Nitrites 0.1 to 0.3 (Can't really tell)
Nitrates 20
pH>7.6
KH 90
temp 30C

Again, there is a small discrepancy in the KH reading. I wouldn't normally let nitrates build up to 20, but I don't want to mess up my cycling tank too much if I can avoid it.

We'll see what happens when I change the water on both tanks tomorrow (with baking soda).

I had starved all my fishies for the past three days, and I fed them peas this morning. Their green poop is nasty looking. They also eat this bright green poop and don't spit it out!! Really nasty..

Slugger biggrin.gif
Slugger
Hi, here is this evening's update:

Moor tank - Before water change
pH>7.6
KH 110

Moor tank - After 25% water change + 1/4 tspn baking soda
pH>7.6
KH 110

Other Goldfish tank - After 25% water change + 1/4 tspn baking soda
pH>7.6
KH 100
Amm 0
Nitrites 0.1
Nitrates 20

It looks like everything is under control now.

Thanks for the help from everyone, Toothless, Dataguru and Fishmerised.

My Moor hasn't changed much, he still just mooches around. I think he's blind, but that doesn't matter.

I'm going away for two weeks starting this Friday, but I'll have someone come round to my house every day to feed the fish. Hope nothing degenerates too much... crap.gif

Once again thanks, I really appreciate the time everyone has put in.

Slugger
DataGuru
That's good timing.
It'd be a good idea to put the amount you want fed each day in a baggie and tell the person that no matter how hungry they look, only feed them 1 bag per day. If they get wild and crazy with feeding you could come home to a huge mess.
Slugger
Hi, I'm back.

In the past 2 weeks absence, I have lost one of my breeding pair (Bummer).

Other than that and lots of green water, the remaining 3 fish look fine.

Did some water tests on the goldfish tank (the Moor tank is OK) after 50% water change in both tanks, with baking soda (I love that stuff)

Nitrite 0
Amm 0
Nitrates 160!!!
pH >7.6
KH 90
Temp 28C

How did that happen in 2 weeks? I'm guessing that my Aunt overfed (I told her to but 1 scoop), but my filters took care of the ammonia spike.

Looks like another 50% water change tomorrow.....

Slugger smile.gif

Phreno
Well, it shows that your tank can handle quite a bit of ammonia and nitrite then, but you should keep the nitrates below 40 or so, maybe waiting untill tomorrow to change water isnt' a good idea...
Slugger
Thanks for the tip. Hopefully the fishies can hold out until this evening because I'm at work right now.

The readings I gave were after a 50% water change, so imagine what it must have been.......

I did think about changing all the water, but I figured I didn't want to disturb the tank too much and nitrates aren't as bad as ammonia/nitrites.

Slugger smile.gif
DataGuru
Yep. I'm sorry to hear about the fish you lost. Bummer!
I agree. a series of partial water changes would be better than a total water change.

It sounds like you have a good grip on maintaining pH now. smile.gif
Slugger
Thanks for the help,

All my fishies are behaving OK now. My Moor still mopes around the bottom a fair bit, but not as much as before. I think it may be a combination of partial blindness and really weird swim bladder (making it an effort to float?).

Once I've "tarted" up the tanks (my other goldy tank is still greenish), I'll try and work out how to post them up.

Again thanks.

Slugger biggrin.gif
DataGuru
Cool. smile.gif

FYI, my moors hang out on the bottom more than my orandas or ryunkins do. My big moor is definitely swim bladder challanged. He can swim up in the tank... but it takes a lot of effort.

You're welcome. smile.gif
Phreno
After dealing with floating problems, I realized I don't ever want to get anything but a single tailed fish ever again. Too much trouble if you ask me, but I'm sure I'll change my mind. smile.gif


Glad to see everything is well.
DataGuru
yea... I said I wasn't going to get another ryunkin cuz their bodies are too squished up. but then I saw Fancy and couldn't resist. LOL I also decided I wouldn't get another sight impaired fish (e.g. telescope) and so far I've done good on that one. I like the moors, but my goldies with normal eyesight are so much more interactive.
Slugger
biggrin.gif biggrin.gif biggrin.gif biggrin.gif

We can't help ourselves...

Slugger happy.gif
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