P04 making corals unhappy

[kien]

Originally Posted by monocus

i run 5 gal into my waste pail when i change my media till the water clears in the reactor

That's what I've always done too. I did a little googling and apparently there are tonnes of people who don't rinse their GFO. That's news to me. I've always rinsed mine and most people I've spoken to rinse theirs. Honestly, I don't know why you wouldn't rinse it? It's quite dirty with all the loose GFO fines which just ends up in your tank. I know it's harmless and your tank will clear up but still, rinsing the gfo a simple step that can eliminate this.