Using a rowaphos calculator to fix high phosphates
If you've been staring at a patch of hair algae and wondering where you went wrong, finding a reliable rowaphos calculator is usually the first step to getting things back under control. It's one of those tools that feels a bit "math-heavy" for a hobby that's supposed to be relaxing, but trust me, guessing how much GFO (Granular Ferric Oxide) to throw into your reactor is a recipe for a bad time. RowaPhos is arguably the most popular phosphate remover in the reefing world, but because it's so effective, it's also very easy to overdo. ...