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A combination of both methods can be used
Phosphate: 0
Dose per 100 L (25 gal) to raise magnesium by approximately 4 ppm
• Avoid placement near aggressive sweeper corals
Emerald Crab (Mithraculus sculptus) SPS A combination of both methodsThe Emerald Crab is a popular clean up crew crab best known for helping control nuisance algae, especially bubble algae (valonia). It spends most of its time tucked into rockwork, coming out to graze and scavenge. Emerald crabs are reef safe with caution, since they are opportunistic and may pick at corals or small tankmates if underfed or if they grow large. Why we love it Great helper for nuisance algae control, especially bubble algae Fun, active
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