SERENITY REFRACTOMETER Tank Simply place the bag in

Simply place the bag in any canister filter

This product will upset your protein skimmer

whilst providing beneficial requirements to reptiles

Stabilises pH

Their soft semi-moist pellet structure ensures an optimal acceptance and digestion

SERENITY REFRACTOMETER Tank Simply place the bag inSerenity Seawater Refractometer The Refractometer is a must have for all marine hobbyists. Correct salinity is crucial for the survival and health of your fish and corals. This high quality refractometer is extremely accurate and easy to use and calibrate. Calibration is simply done with a few drops of distilled water. This model also feature ATC (automatic temperature compensation). Automatic Temperature Compensation Range from 0 100 ppt and 1. 000