시켐 포스넷

After fighting cloudy water from phosphates for weeks, this stuff finally worked—my test kit went from 1.5 ppm to zero in three days. The granules really do produce less dust than other GFO I've tried, making setup much cleaner and faster.

It’s refreshing to find a GFO that doesn’t cloud the water with dust—this stuff really is clean right out of the bag. My phosphate level dropped noticeably within two days, and the granules are easy to rinse.

I’ve been using this GFO for a few weeks and it’s definitely less dusty than my old brand—setup was way cleaner. My phosphate levels dropped noticeably within days, though I wish the granules were a bit more uniform in size for canister filters. Still, it does the job well for the price.