I have used this product for the past 3 years in my outdoor garden pond containing goldfish. It does a fabulous job helping to eliminate sludge buildup and maintaining the clarity of the water. Easily stored and easy to distribute in the pond.

Pros: easy to use, no odor

Cons: none

We use this product in the spring when we start up our pond. Also when we do full or partial water changes. We trust this brand because we have been using it for years. It was recommended to us by other pond owners.

Pros: Easy to add to pond water. Helps w/ alot of things

Cons: Pricey

Great product! Helps keep the pond clear and doesn't harm the fish. Every pond owner should use this product.

Pros: Clear pond water, harmless to fish

Cons: None

This really helps with cleaning out the sludge from my filter screens!

Pros: Easier filter cleaning

Cons: availability

A great product to keep your pond water clean

Pros: clear your water

Cons: -