Eheim Phosphat-Entferner

My black molly tank was getting a bit green, but after adding these phosphate-removing beads to my sump, the water cleared up noticeably within a week. The physical bag format made it super easy to rinse and place without any mess.

Hooked this into my canister filter last weekend, and the algae on my glass is already visibly thinning out—the granules handle the water flow nicely without clogging. Phosphate test shows a solid drop in just five days, which is exactly what I was hoping for.

I was getting a stubborn green spot algae bloom weekly, but after adding this pouch to my canister filter the phosphate levels finally dropped noticeably within a few days. The media works quietly right in the sump basket and doesn't cloud the water at all. Three weeks in and the glass stays clean w