Expected Life of AP Test Kits

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glstine

Aquarium Advice Activist
Joined
Oct 18, 2002
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108
Location
Houston
Does anybody know the expected life for AP test kits? Mine are about 3 years old (at least that's how long I've had them, no telling how old they actually are). Anyways, I just moved, put all new water in my tank (1 clown and some corals and inverts) very lightly loaded. I had been kinda slack on testing prior to the move. Been set up for 3 weeks now Ammonia, Nitrite and Nitrate have read 0 everyday. NOt that I'm complaining, I just don't know if I believe it. I expected an ammonia spike from LR die off from the move. And I know I feed sparingly, but I still can't believe my Nitrates are 0.
 
Look on the test bottle label for the lot number...the last two digits is the date it was manufactured. I would guess that test kits have a similar expiration date as prescription or OTC drugs...no more than two years.
 

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