expired

I checked the Amazon page for this product after seeing what looked like anomalous test results for a member cycling thier tank. The number of bad reviews complaining of inaccurate or plain ruined test strips here is very alarming to me, especially since a lot of the budget priced items tend to...

It's been a week now that I battle with high nitrates levels in my two tanks. I know that my bigger tank is a little overstocked, so I do regulars water tests. I did everything I could think of : clean the filters, vacuum my sand, daily water changes. And still my nitrates levels were over 50...