Kockney Koi Dome Air Stones

4mm Plastic Airline

4mm Plastic airline comes in a 25mtr roll in clear and a 30mtr roll in black and is one of the cheapest airlines available on the market today.

It is ideal for using on a multi air pump manifold to supply air to your filter bays and widely use in aquariums

4mm Silicone Airline

This Silicone Airline Tubing is ozone resistant, and is very flexible and easy to use. Max psi of 30. It is easy to cut with standard scissors. It is 6mm in diameter, and is safe for fresh or saltwater.

We sell this Silicone Air-Line Tubing in 1 meter increments, or by the roll. Remember it is always a good idea to have extra on hand.

Rubber Air Diffusers

The rubber tubing on these diffusers have thousands of very small holes which produce very fine bubble which improves the oxygen content of your pond water.

• These Super high quality rubber weighted air diffuser, are excellent for aeration of ponds.
• Supplies the pond with a stream of small bubble for that extra needed oxygen.
• The Diffusers are manufactured from synthetic rubber which has excellent ozone resistance, solvent resistance, heat resistance, and weather resistance
• Rubber Air Diffusers are easily cleaned and will last much longer than the usual ceramic air stones. These Diffusers are made of rubber therefore much less risk of koi damaging themselves on the product.

Sizes Available:

• 30mm x 250mm Long Air Diffuser recommended air flow 10-15l/min
• 30mm x 510mm Long Air Diffuser recommended air flow 20-35l/min
• 30mm x 760mm Long Air Diffuser recommended air flow 30-55l/min
• 30mm x 1000mm Long Air Diffuser recommended air flow 40-75l/min

These are suited for large bore air pipe 8mm 

Why aerate your koi pond?

If you have fish in your pond, it may be that just a simple waterfall is not doing enough to aerate your water. Proper aeration is crucial to the beneficial bacteria of your filter media, to the aquatic plants growing in your pond and of course to your koi.