Evolution Aqua 12" Dechlorinator. The Dechlorinator is an easy to use In Line filter that attaches onto a standard garden hose pipe when it is connected to a tap. The De-Tox carbon filter removes the toxins in the tap water as it passes through from the tap and into the pond.
eBay
The Fluval FX UVC Clarifier connects in-line with your filter in a few minutes, and can be mounted either on the filter lid or inside a cabinet with the included universal mounting bracket. The UVC can be used on any external filter that has tubing of 16-24mm.
eBay
Aqua Ultraviolet 15 Watt UV Clarifier without Wiper Black 3/4" A00030.
eBay
Flow Rate 245 US Gal/h / 930 L/h Max. 3W UVC In-Line Clarifier unit. CCFL (Cold Cathode Fluorescent Light) technology runs cooler than traditional UVC bulbs to last up to 30,000 hours (3X longer). Eradicates suspended bacteria and algae in the water column that contribute to cloudy and green water, respectively.
eBay
Fluval CCFL technology attacks green and cloudy water by applying powerful, DNA-destroying UVC light emissions. This natural process is chemical-free and will not affect beneficial, surface-dwelling bacterial colonies that are already established.
eBay
Fluval FX UVC In-Line Clarifier The FX UVC In-Line Clarifier quickly and easily connects to all canister filters to eliminate suspended algae for a clean and clear aquarium. This natural process is chemical-free and will not affect beneficial, surface-dwelling bacterial colonies that are already established.
eBay
Aqua Ultraviolet 57 Watt UV Clarifier with Wiper Black 2 in IO A00072.
eBay
Aqua Ultraviolet 57 Watt UV without Wiper 2" A00070.
eBay