Hanna HI736 Phosphorus ULR Checker HC viewer This will reduce shadowing in

This will reduce shadowing in the aquarium as well as increase usable space for coral at all depths

bottom sponge

Crystal clear & healthy water

flavors or preservatives

it does not promote the growth of nuisance algae

Hanna HI736 Phosphorus ULR Checker HC viewer This will reduce shadowing inThe Hanna Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation can cost hundreds of dollars and can be time consuming to calibrate and maintain. The Checker is both accurate and affordable. Range 0 to 200 ppb Resolution 1 ppb Accuracy @ 25C 5 ppb 5% of reading Light Source LED @ 525 nm Light