

🧪 Unlock Marine Mastery with Every Test!
The Hanna Instruments HI758-26 Marine Calcium Checker Reagents provide 25 pre-measured tests designed for fast, accurate calcium measurement in marine samples ranging from 200 to 600 ppm. Using the Zincon Method, these high purity reagents produce a clear blue color change, enabling precise ppm readings with traceable batch information for quality assurance.
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
2 months ago
2 days ago