MAR-3181 Macroalgae Reactor - Tunze Test Kits Simply slip the SPS kit

Simply slip the SPS kit over the end of your probe

while its opaque body prevents algae growth by shielding internal components from light

Silent - Smart - Powerful

in particular

RED SEA REEF COLORS PRO MULTI TEST KIT CONTENTS:

MAR-3181 Macroalgae Reactor - Tunze Test Kits Simply slip the SPS kitGrow Macro Algae to Control Nitrates and Phosphates! Cultivating chaetomorpha algae in the Tunze MAR 3181 makes controlling your aquariums nutrients clean and easy. Tunze's algae reactor can be placed internally in your sump, or placed externally if you do not have room in your sump, or just don't have a sump. The reactor uses an external lighting solution provided by the Tunze Eco Chic Refugium Light that can be fully submerged underwater for maximum