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Pocillopora generally prefers moderate, indirect flow. MP10s at 50% might be too direct. Try positioning them to create a wider, gentler gyre. Aim for 10–15 cm/s flow at the coral's location, measured with a flow meter if possible. Also, check your nitrate and phosphate levels—low nutrients can ...

Canister filters can trap detritus, contributing to nutrient buildup. Recommend cleaning it thoroughly and inspecting the impeller for wear. Additionally, ensure your protein skimmer is properly adjusted. What model are you running?

Hair algae thrives under high nutrients and inconsistent lighting. Your nitrates are acceptable, but phosphates could be elevated. Reduce feeding by 20%, manually remove visible algae, and introduce herbivores like Trochus Snails or a Lawnmower Blenny. Ensure your RO/DI water has 0 TDS. What's your ...