Evolution Aqua K1, K1 Micro, K3, K+ Floating, and K+ Sinking Biological Filter Media Variety:K+ Sinking Media — 50 Liters Designed for underground applications Direct

Designed for underground applications Direct Burial Airline has a rigid wall making it highly resistant to deforming and crushing

D-Activated Animal-Sterol (D3)

apply ClarityMax™ once a week directly to the pond or filtration system

The following strains are contained in this formulation: Bacillus subtilis

2" valve and fittings necessary to connect bottom drain into skimmer box (flex pipe not included)

Evolution Aqua K1, K1 Micro, K3, K+ Floating, and K+ Sinking Biological Filter Media Variety:K+ Sinking Media — 50 Liters Designed for underground applications DirectFree 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