110mm Bottom Drain (Sump type) with Dome For Koi Ponds RP - 128.84 the matting creates an optimal

the matting creates an optimal habitat

it is very

resulting in an ultra-porous surface

Quartz Sleeve (15W Pro-Clear) UVC

110mm Bottom Drain (Sump type) with Dome For Koi Ponds RP - 128.84 the matting creates an optimalThis design of Bottom drain features an aerated dome; the aerated dome has a perforated rubber membrane. Not only does the aeration benefit your pond and your fish but it also helps with pulling debris into your sump making it more effective. Theaerator on this dome is a carefully perforated rubber membrane; This rubber membrane is inconspicuous when situated on the bottom of ponds. The aerator is fitted with an air input tee that will accept flexible