Hanna Marine Calcium Checker Reagents 25 Tests (HI758U-26) Provides 6 types of phytoplankton

Provides 6 types of phytoplankton ranging in size from1 - 30µm

Features- Clear Quartz Cap – Glow tells you that your UV lamp is on

In your main tank

Advanced: Determine phosphate concentration in aquarium prior to first use by testing with an accurate test kit

Add 6 drops of NH3-1 (watch out caustic

Hanna Marine Calcium Checker Reagents 25 Tests (HI758U-26) Provides 6 types of phytoplanktonThe HI758U 26 are the replacement reagents for the HI758 Marine Calcium Checker HC. These high quality reagents are manufactured in our state of the art facility and are clearly marked with the lot number and expiration date on each packet for traceability. Pre made reagents for ease of use Prepared with high purity chemicals Marked with expiration date and lot number for traceability