Blackwater Color Diet, 12.8 lb bag, Medium Pellet Bulkhead Fittings A must if you have

A must if you have city water

nitrite & heavy metals

A large water change (approximately 90%) is required before each treatment

Dimensions shown in table below are the maximum outside dimensions

16 ounce bottle is enough to raise pH by 1 point in 960 gallons of water in most cases

Blackwater Color Diet, 12.8 lb bag, Medium Pellet Bulkhead Fittings A must if you haveThis terrific line of Blackwater Koi Pellets gives you the quality and variety of high end Koi Feeds at the price of a standard staple diet. All varieties come in a vacuum packed resealable zipper lock bag. Color This popular diet is formulated to bring out the maximum vibrancy of color. Special ingredients aid in making your fish look their best.