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Review on FerroxiPhos G Phosphate Controller 10 6 Oz by Christopher Meyer

Revainrating 3 out of 5

Works fine but dusty.

This GFO is very dusty and emits an orange cloud right after opening the canister. In addition, more than 30 liters of water were needed for washing. To be fair, my phosphate level dropped from 0.64 to 0.36 overnight, so it's working. I could just go back to Aqua Maxx GFO or Bulk Reef Supply.

Pros
  • Decent performance
Cons
  • Negative present