Hanna Marine Nitrite ULR (ppb) Checker® HI764 Salt Flatworm Exit is safe for

Flatworm Exit is safe for your aquarium

When properly colonized

These lights have been designed to ensure optimal coral growth and dramatic coloration

STAGE 4 – TWIST-IN MIXED BED COLOR CHANGING RESIN DEIONIZATION CARTRIDGE: Replace filter when resin changes color completely to amber

Hanna Marine Nitrite ULR (ppb) Checker® HI764 Salt Flatworm Exit is safe forAchieve accurate water testing results with our simple handheld colorimeter. The HI736 Marine Phosphorus Ultra Low Range (0 to 200 ppb) Checker uses more precise technology than a chemical test kit. The HI736 checker uses a fixed wavelength LED and silicon photo detector to determine the measurment results digitally, eliminating the need to compare results to a color chart. Compact, portable design Built in timer One button operation