craig_will2513
Aquarium Advice Freak
hi all this is a lighting question i have a juwel 125 marine reef tank but at the min my 2x 28w isnt good enough and i cant seem to find a better light unit that will fit so my question is this. iam looking into metal halides and would like to know how many watts id need id love to keep all sorts inc nems at some point so id need light sufficient for them.. so if i get mh lights will the lamps have to run all the way along the tank so my tank is 80cm long would the light have to be80cm also i was worried that if its not i will have dark spots at either end now is this really a problem or would it be ok.. thanks guys