i posted a few week back, about a BGA problem, i put it down to it being a fairly new (so fairly unstable) environment, i did a 3 day blackout after taking it out, and doing a 50% w/c. it worked (for about a week ) untill it has just started to creep back in again there is a an algaecide in the shop, i think this one: http://www.zooplus.co.uk/shop/fish/wate ... 43378#more although after reading it, i dont think it will work? anyway would it be a waste of money? the tank: 4 months 180./ 40g Malawi cichlid tank (no plants) fluval 205 & eheim 2215 classic - sponges & biomax in both 25C any ideas? thanks guys.