I found this article in a cichlid forum and thought it would be beneficial for us all.

Many many thanks to **MudbugnLouisianna** for e-mailing the companies and compiling this list.

*1. Aquarium Pharmaceuticals*

Test Solutions Shelf Life from bottling date

Wide Range pH Test Solution 3 years

Ammonia Test Solution #1 3 years

Ammonia Test Solution #2 3 years

High Range pH Indicator Solution (m-Cresol Purple) 3 years

Nitrate Test Solution #1 3 years

Nitrate Test Solution #2 3 years

GH Test Solution 3 years

KH Test Solution 4 years

Nitrite Test Solution 4 years

Fresh Water Ammonia Test Solution (Nessler) 5 years

Fresh Water pH Indicator Solution 5 years

High Range pH Indicator Solution (Cresol Red) 5 years

Salt Level Test Solution #1 5 years

Salt Level Test Solution #2 5 years

To determine bottling date check the lot # on the reagent bottle. The last 4 digits are the month and year of bottling.

Example: 33A1201 would = a bottling date of December 2001.

If you have any more questions please contact me.

Karin Berke

Technical Services Representative

Aquarium Pharmaceuticals

800-847-0659

*2. Hagen*

All of our test kits have a shelf life of four years. Each package is marked with an expiration date. Please reply if you have any further questions.

Thank you,

Sharon Emond, Customer Service Dept.

Rolf C. Hagen (USA) Corp.

*3. Tetra*

The kits have a five-year shelf life. Once you open them you should discard them after a year. If you would like us to trouble shoot further please call 800-526-0650 option 1 M-F 8-5.

Regards,

Tetra Consumer Relations

## Recommended Comments

## Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.