Pond Balance Large Pond Balance Large $169.99 SKU: #8753 QTY: Click here to save 5% off of your order! Pond Balance Large Treats 67000 US Gallons Pond Balance makes key micro-nutrients unavailable to string algae. Pond Balance loosens string algae for easy removal by hand or filtration. Makes key Micro Nutrients unavailable to blanket weed.  Pond Balance loosens blanket weed for easy removal by filtration.  Your answer to a clean, healthy pond By scheduling the use of Pond Balance thought out the pond season you will find that blanket weed (hair algae) will no longer be much of a problem in your pond. Safe for use with all species of fish. Harmless to filters and plants. Harmless to newts, frogs, toads and other Pond wildlife