Tropical Aquariums SA

I recently had a tank turn green, and despite doing almost anything and everything (apart from using chemicals) I decided to invest in an UV Steriliser.
Research showed that a UV Steriliser would be better than the UV Clarifier, even if it cost a bit more.
My choice finally came down to the Ultra Zap 15W Professional.

I decided on the UV Steriliser as opposed to the UV Clarifier, as though my main problem in the tank was free-floating algae, I wanted the other benefits a Steriliser gives,...