Hydra International - Natural Aquatic Treatments, Cleaning & Protecting the Environment

Supply air to your water when connected to an Air Pump

• Kockney Koi High quality ceramic Air stones.
• Solid, reliable and heavily weighted.
• Essential component in any koi or fish pond.
• All Stones come with plastic end housings to protect the stone from abrasion.
• Can be placed in either the pond or filter to create a good environment for your fish and bacteria.

Weighted ceramic Air Stones produce a stream of air bubbles when connected to an air pump.