Evolution Aqua K Plus Advanced Kaldness Filter Media Size:K+ Bio Media 25L easily brushing away any soil

easily brushing away any soil or debris

Suitable for small ponds and large aquaria

Air Divider (8x outlet 4/6mm)

The KCT Polyethylene Transparent Grow Tunnel 4 Pack is an easy to assemble growhouse setup for use in any size garden

mix the required amount in a watering can full of water

Evolution Aqua K Plus Advanced Kaldness Filter Media Size:K+ Bio Media 25L easily brushing away any soilUnlike foam, matting, or other forms of static filtration media, the Sinking K+ Advanced Media (Black) is designed to move freely within your filter in a downflow filtration system. The constant chaotic movement of the air from your pump causes the media to self clean. It thus requires no maintenance, the kaldness wagon wheel styled design, helps to remove ammonia and nitrate in your pond and is designed for use in mechanical biological filtration