Evolution Aqua Surge Filter with integrated 18-watt UV Clarifier Unit Aqua Meds CrystalClear® PondShock™ is a great

CrystalClear® PondShock™ is a great alternative to chemicals to clear your pond water fast

Formulated specifically for systems that contain fish and plants

Kit includes: Basalt column

including koi and goldfish

Evolution Aqua Surge Filter with integrated 18-watt UV Clarifier Unit Aqua Meds CrystalClear® PondShock™ is a greatThe Evolution Aqua Surge Filter with integrated 18 watt UV clarifier is an innovative and compact pond filter. It is recommended for ponds up to 5000 liters (1320 gallons). There are no dirty sponges to clean or filter mats to rinse, so you get to keep your hands dry and spend more time enjoying your pond. SKU Max Pond Size Max Flowrate Optimal Flowrate Inlet Outlet Waste Volume K+ Media surgefiluv18 1320 Gallons 925 gph 660 gph 3 4", 1", or 1. 25" 1"