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At 135W the Hydra 64HD is the most powerful light within the AI model range
For reef aquariums
Recommended magnesium concentration = 1230-1310ppm
One-Step Nitrogen Cycle Management
A sensor changes reversibly from yellow to green to blue
TMC Acclimation Kit GEMS 3/4" Bio Filter - 90g At 135W the Hydra 64HDThe kit includes: Siphon starter and water flow indicator chamber Rigid plastic connecting pipe Water control valve Tropic Marin PRO TECT 10ml (this can be used when acclimating as it helps to increase immunity, reduce stress and prevent fluctuations in water chemistry)
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