- Works faster than barley bales
 - Organically controls build up on rocks
 - Dramatically reduces filter maintenance
 - Safe for all animals & plants
 
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						- Protects the pump from leaves, algae and other debris
 - Includes polyester filter media inside nylon mesh bag
 - The small protector fits most size pumps up to 6" diameter
 - The large protector fits most size pumps up to 8" diameter
 - Maximum recommended flow up to 2550gph on the large protector & 1250gph on the small protector
 
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						- Increases water clarity
 - Eliminates odors caused by hydrogen sulfide, dead plant material, and fish waste
 - Reduces ammonia and nitrogen levels
 - Dissolves away organic sludge
 - Improves dissolved oxygen levels
 - Effective in a wide range of pH conditions and water temperatures
 - 1lb block treats up to 1 acre of water (325,851 gallons)