Fish R Fun 9w UV Sterilizer Replacement Bulb FRF-UV9SB Nitrite You may notice that the

You may notice that the pump becomes noisier or the bubbles less vigorous

Specially formulated for freshwater aquariums

this is perfectly normal and safe

Supplied with all required pipework and fittings for immediate use

Can be placed horizontally in shallow tanks

Fish R Fun 9w UV Sterilizer Replacement Bulb FRF-UV9SB Nitrite You may notice that theUV Steriliser Replacement Bulb 9w UV radiation is extremely effective in controlling bacteria, yeast, mould and other pathogens. Submersible design completely sealed to ensure no water leakage. Great for tackling green water. Replacement unit for a straight swap. Replacement bulb set for Fish R Fun (Den Marketing) GPS UV9W units the Green Killing Machine. Comprises filtration sponge, UV steriliser tube, plastic housing case. Treats up to 200L