Pond Cleaner - The Water Cleanser Pond Block

The Water Cleanser Pond Block is a pond cleaner that is suitable for Fish/Koi Ponds, large Tanks/Aquariums, and water features with either Fresh or Salt Water. BENEFITS OF THE WATER CLEANSER POND BLOCK Pond Cleaner Healthier Water Improves Water Clarity Eliminates odors Higher stocking densities Reduces algal blooms Oxygenation of surface soil Reduces reactive phosphorus Enhances filter efficiency Healthier fish and reduced infections Reduces toxin levels PRODUCT DIMENSIONS 6-1/2" x 4-1/2" x 1"  POND CLEANER USAGE GUIDE Although not required, we recommend you start with a clean pond or aquarium/tank to achieve the best results. The Water Cleanser Pond Block can be placed in your filter system or alternatively, floated on the surface in an area where the water flow is strongest (with the ridges facing up).  Depending on water temperature, full effects can be seen within 4-8 weeks. 1 Block (200g) treats 265 gal. (for Aquarium tanks)  1 Block (200g) treats 800 gal. (for Koi/fish ponds