ClearTrine Premiun Algaecide 1 US Gallon (3.8L) (water clarifier for sand filter).
- An algaecide water clarifier suitable for sand filters
- Highly concentrated polymer treats up to 160,000 gallons of water
- Coagulates dirt, oil and other organic causes of cloudiness
- Improves filter efficiency – fast – acting
- No waiting period and easy to apply
- Available in 2 sizes : quart & gallon