Calculator
What size protein skimmer do I need?
Free protein skimmer sizing calculator. Enter total system volume + bioload tier and get the recommended skimmer rating with brand suggestions.
Inputs
Enter values + click Calculate.
How it works
Step 1. Light bioload (FOWLR, soft reef): 1.25x display volume
Step 2. Mixed reef: 1.5x display volume
Step 3. SPS-dominant + heavy fish load: 2x display volume
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