Aquascape 98891 Sludge &amp; Filter Cleaner Water Treatment for Pond and Water Features， 32-Ounce Bottle<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Quickly cleans rocks， gravel， and filter pads</li><li>Contains five pure strains of heterotrophic bacteria</li><li>1.5 billion CFU per ounce potency， ensuring consistently effective treatment</li><li>Safe for fish， plants， pets， and wildlife</li><li>Easy-to-use pump top; 32-ounce bottle treats 20，000 gallons of water; single dose (1 pump) treats 100 gallons</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Cmf9uvCqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41lUOMyd4dL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61hLCwIUjBL.jpg" noproxy>