Evolution Aqua K1, K1 Micro, K3, K+ Floating, and K+ Sinking Biological Filter Media Variety:K+ Floating Media — 50 Liters Extra-large 8" clear lid for

Extra-large 8" clear lid for easy viewing inside filter

it can produce ideal coloration

Ammonia-Away removes deadly ammonia

Due to the highly refined chelation process

sand filter

Evolution Aqua K1, K1 Micro, K3, K+ Floating, and K+ Sinking Biological Filter Media Variety:K+ Floating Media — 50 Liters Extra-large 8" clear lid forFree shipping on all K1, K3+ and K+ media! Evolution Aqua K1 filter media is a high performance filter media that provides a large protected surface area. K1 Media provides protected surface area to boost beneficial bacteria colonization for biological filtration. K1 Micro is identical to K1, but the smaller shape allows even more protected area per unit volume, giving it an even higher ability to perform biological filtration. Each liter of K1 Media