Fluval in Line UVC Clarifier for Aquarium Filters

$100 at petco Works good. Easy to set up. A chemical-free and maintenance-free way to purify water that eradicates suspended bacteria and algae in the water column that contribute to cloudy and green water, respectively Helps prevent the growth of cyanobacteria that often smothers and destroys aquatic plants and does not harm beneficial, surface-dwelling bacteria CCFL (Cold Cathode Fluorescent Light) technology runs cooler than traditional UVC bulbs to last up to 30,000 hours (3X longer) Quickly connects in-line to all canister filter hosing with an internal diameter of 5/8” (or 16 mm), including all Fluval 07 and 06 Series Filters, Not for use with Fluval FX Series For use in freshwater, saltwater and even turtle aquariums where algae is often present