hi
i see several tanks with blue lights and would like to have 1 for my tank.
i currently have a white tube light do the fish need the white light or can i just replace the white light for a blue one. or would it be better to have both, can anyone recommend a good blue light please
thanks
i see several tanks with blue lights and would like to have 1 for my tank.
i currently have a white tube light do the fish need the white light or can i just replace the white light for a blue one. or would it be better to have both, can anyone recommend a good blue light please
thanks