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Reef Aquarium Water Chemistry

Test kit expiration dates

General discussions regarding the water chemistry of reef tanks.

Test kit expiration dates

Postby n2reefs » Tue Jan 20, 2015 9:41 pm

Im just posting this for people that have older test kits that may be expired. I recently realized just how old my test bottles are. This is a response from the makers of API test kits.

Mars Fishcare is the industry leader in testing without exception. Many of our solutions are used for both freshwater and saltwater testing while some are designed exclusively for freshwater. Many of our reagent bottles are used in various kits under API and PondCare brands. In some situations you will notice that two color charts are provided one for freshwater and one for saltwater while other kits have one color chart for both. The need for two color charts is based on chemistry. However you can read the lot number on any kit and determine the manufacturing date. The last four digits represent the month and year of production. So 26a1007 would be produced in October 2007.

Our determined expiration dates are established under extreme conditions. The test kits expiration dates are first established under constant conditions of 40 degree Celsius with 75% humidity for an extended period of time. Our retention samples, which we have for five years of every batch of every product that we make, are also kept in a room with elevated temperatures. This ensures that if the test kits or water conditioners are kept under less extreme conditions that they may exceed our established expiration dating but we suggest following the recommended expiration dating listed below. Some retailers feel using worst case conditions are too conservative, we do not. Some retailers and distributors of our products continue to insist that expiration dates not be placed on the product for this reason. We continue to evaluate this and requests like yours helps us to guide our decisions in the future, for this I thank you.

Test Solutions Expiration Date

PondCare Wide Range pH Test Solution - 3 Years
Ammonia Test Solution # 1 - 3 Years
Ammonia Test Solution # 2 - 3 Years
High Range pH Indicator Solution - 3 Years
Nitrate Test Solution # 1 - 3 Years
Nitrate Test Solution # 2 - 3 years
GH Test Solution - 3 Years
Calcium Test Solution #1 - 3 Years
Calcium Test Solution #2 - 3 Years
Phosphate Test Solution #1 - 3 Years
Phosphate Test Solution #2 - 3 Years
Copper Test Solution - 3 Years
KH Test Solution - 4 Years
Nitrite Test Solution - 4 Years
Fresh Water pH Indicator Solution - 5 Years
Type of Tank: Mixed Reef 90G Marineland
Lighting: 2x Aqua Illumination Hydra
Sump: 100 Gal Rubbermaid
Skimmer: Reef Octopus
Water circulation: Iwaki 1200 GPH with Sea swirl
50 Gal rubbermaid refugium tied in
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n2reefs
 
Posts: 26
Joined: Mon Dec 01, 2014 6:03 pm
Location: Plattsmouth NE

Re: Test kit expiration dates

Postby Moralesfr » Fri Sep 30, 2016 12:51 pm

nice good info I better get new test kit lol :lol:
Moralesfr
 
Posts: 9
Joined: Sat Mar 12, 2016 2:44 pm
Location: Bellevue


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