Especially formulated for rock and gravel bottom ponds!
Professional Strength, Concentrated Beneficial Bacteria
Removes toxic fish waste, left over food and deadly gases that build up under the rocks and in the gravel of your koi pond. A big cause of pond water and fish health problems
100% NATURAL Pond Bacteria NO HARSH CHEMICALS
Save $$$ only takes ounce per 1,000 gallons every two weeks
Also works very well in ponds without gravel bottoms
Digest leaves, bird droppings and removes sludge and muck
Removes algae causing phosphorus
Reduces pond water odors and yellowing, improves water quality and clarity