***** Play It Koi is rated 4.9 out of 5 stars, based on 2248 reviews!

CrystalClear OneFix



Regular price $12.98


CrystalClear OneFix utilizes natural bacteria to digest suspended dead organics to help keep the pond balanced and the water crystal clear. OneFix is specifically designed to start working the second it hits the water. Use once every two weeks when water temperatures are above 50°F.

16 Ounce
32 Ounce
64 Ounce
1 Gallon
Application Liquid Liquid Liquid Liquid
Temperature Restriction Above 50°F Above 50°F Above 50°F Above 50°F
Gallons Treated
for up to 4 Months
Up to 750 Up to 1,500 Up to 3,000 Up to 6,000
Shelf Life 2-Years 2-Years 2-Years 2-Years


Pond Size (Gallons)
(1x Every 2 Weeks
or As Needed)
Up to 375 1 Ounce
Up to 750 2 Ounce
Up to 1,500 4 Ounce
Up to 3,000 8 Ounce

Please note: Above are recommendations. Always read the product label.

Routine Application Rate

Apply OneFix every two weeks. For initial treatment of a new pond, double the application to seed your pond filter quickly.

Persistent Problem Application Rate

If a problem arises between routine applications apply OneFix at the prescribed rate every 3 days until pond becomes clear.

For Best Results

Apply OneFix directly into filter if possible or apply directly to the pond in an area of the greatest circulation. Optimal Water Conditions: pH: 6.5-8.5, Dissolved Oxygen: 5 PPM.

Product Notices

Do not use other chemicals while treating with OneFix.

Liquid error: Could not find asset snippets/swymSnippet.liquid