Product spotlight - API's Crystal

API's Crystal

API's Crystal is great for improving your aquarium's water clarity, perfect for getting out those unsightly tannins (bogwood stain) from the water.

Learn more below.

Crystal can be used to clarify the water in your aquarium but is especially good for removing the tannins (brown colouration) left in the water by bogwood. Crystal helps to polish your aquarium's water too.

Sizes available:

  • Size 6 - treats up to 210 litres. Multiple bags can be used to treat larger aquarium volumes.