Neptune Systems GRO Refugium Light - Pipe Bracket Freshwater Aquarium Accessories Red Sea's Calcium Pro Test

Red Sea's Calcium Pro Test Kit is an advanced calcium titration test

eliminates the filter wool layer and also the air lift tube can be easily cleaned & positioned at either end of the filter

This approach will probably not cause any problems for several weeks or even months

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Selenium (Se)

Neptune Systems GRO Refugium Light - Pipe Bracket Freshwater Aquarium Accessories Red Sea's Calcium Pro TestNeptune Systems GRO Refugium Light Pipe Bracket Maintaining low nutrient levels is key to a healthy and algae free marine aquariumSome of the most successful reef aquariums employ the use of a macroalgae filled growth area or refugium for the purpose of nutrient control. The GRO is a specialised, 20W LED light designed to grow many types of common macroalgaes (i. e. Chaetomorpha) using a specialized light spectrum which maximises photosynthesis. It