Aquarium Substrate

PNP Trading and Oliver Knott have developed a range of aquarium substrates using our source of natural products from across the globe. Oliver Knott AquaEarth 6lt is the No.1 fertile substrate for powering aquatic plant growth with a secret blend of...

Calcium carbonate derived from oolitic aragonite is biogenic (created by living organisms) and naturally re-occurring. Protect the reef by using this superior and sustainable substrate. Bahamas sand is raw, naturally renewable oolitic aragonite sand that...