Brand new stainless weighted air Ring for Koi pond
Brand new stainless weighted air rings for koi pond or filtration moving bed. Weighted in stainless it will sink to the bottom, dedicated air pump recommended for maximum efficiency will allow you to turn the most extreme amount of moving bed media without any hassle of using multiple amounts of air stones which eventually float or wear out. Example - 5 ring unit with dedicated 140lm pump will turn over more than 500-600 litres of k1/k2 in ibc no problem. 3 ring 35cm unit - $150 4 ring 45cm