

🧪 Master marine calcium testing with precision and ease!
The Hanna Instruments HI758-26 Marine Calcium Checker Reagents provide 25 pre-measured tests designed for accurate calcium concentration measurement in marine samples ranging from 200 to 600 ppm. Prepared with high purity chemicals and marked with expiration and lot numbers, these reagents ensure reliable, traceable results when used with the HI758 Marine Calcium Checker.
R**E
Is easy to use
Gives good results
C**S
Quality is good
A great refill set
D**S
Hanna checker
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
A**A
Great price
Love hanna products
J**.
Works good
I trust this brand of testers more than any other
D**R
Fills a need
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.
T**L
Great product
Exactly what I needed!
R**
Kinda expensive for a consumable
Ty
Trustpilot
1 week ago
5 days ago