Hanna Instruments HI758-26 Marine Calcium Checker Reagents - 25 Tests

These replacement reagents are a necessity if you plan to keep using your Hanna tester. Best price I could find on the internet. Does not come with the digital tester or test tubes - this is just the replacement reagent. The one I received had an expiration date 18 months from now which is way longer than I need but great for people who only have one tank or who test less frequently.

I keep up with the testing of my tank and Hanna checkers is what I use and always need to refill at a affordable price

Gives good results

Love hanna products

I trust this brand of testers more than any other

I bought the Hanna Calcium Reagents to replenish what I had used. The package arrived intact with all contents as promised. Happy with the purchase.

Exactly what I needed!

Ty