How many of you have ever wondered how much time your test kits have left and what their shelf life is? If you are like me and you test your water parameters then you have probably wondered the answer to this question. To answer this question, I decided to e-mail three of the most well known companies for test kits and here are the responses. Keep in mind this may change at any time and I assume no responsibility for any of these products.
The first company is Aquarium Pharmaceuticals: