Evolution Aqua evo25S UV Steriliser biological The table pictured shows that

The table pictured shows that in theory approximately 20 times more volume of foam would be required to attain the same level of filtration as Alfagrog E40 and almost 40 times as much as Alfagrog E25

and monitor and adjust pH as necessary

according to your sump

3 to 37 USgal

3 assembly options for

Evolution Aqua evo25S UV Steriliser biological The table pictured shows thatProfessional ultraviolet sterilisers for aquariums Evolution Aqua aquarium UV sterilisers are perfect for lowering disease pathogens and clearing green water in aquariums. In two sizes, and with versatile 360 degree rotating, stepped hosetails, evoUV connect quickly and easily to external filters, powerheads or sump pumps. Key Features Two models Cabinet mounting Electronic ballast High output Osram T8 bulbs Genuine quartz sleeves evo25 for aquariums