Recent content by BigCol

what does the co2 do?

I can easily downgrade to half those lights

I'll soon have an empty 75g tank with 25g sump, has been used for marines. A few questions for you all: Do i use RO water or tapwater? My tapwater has phophates off the scale(8+) What filtration could I put in the sump (ceramics, sponges, bio balls?) Is co2 vital for plants? My lighting is 4...

Hi everyone, new here. I've had salty tank for about 6 years now and I'm all but done. Just wondered if anyone out there had converted from salt to tropical, or is it usually the other way round? Col