Rob2904 Posted March 12, 2012 Report Share Posted March 12, 2012 Hi, I was wondering if you guys could shed some light on a question I have? I am setting up my first SW system comming to the "Darkside" from FW. I have gone with a FOWLR system untill I get my head around keping good water quality.My system will be about 500L including the sump I understand that my live rock is my bio filter so more is better, but my question is....... If I was going to stock lightly would I need the whole 50Kg my LFS is telling me I need? I have a smidge over 20kg so far would this get me started with a couple of fish after I let it cycle? Any advice would be great. My system will be... Tank, 430L with a sump of between 70-100L, Red sea protein skimmer 20 odd kg of rock, T5 lights approx 200w. Would it do me any good to throw bio balls in the sump or will that just raise nitrates? Quote Link to comment Share on other sites More sharing options...
Zayne Posted March 12, 2012 Report Share Posted March 12, 2012 for light stocking 20 kgs would be enough but you will need a good skimmer Quote Link to comment Share on other sites More sharing options...
Mirio Posted March 12, 2012 Report Share Posted March 12, 2012 If you're not intent on fulling stocking it, I'd just get a little bit more rock. Extra 10-15kgs maybe? Try find an in between as compromise or something. And Yeah, Like Zayne said, get a good skimmer. Better to just future proof it up a little bit by adding a little bit more rock. Quote Link to comment Share on other sites More sharing options...
AquaFever Posted March 22, 2012 Report Share Posted March 22, 2012 what quality is the rock. the better the quality the less it weighs. 20kg of good rock could be the same volume as 50kg of more dense rock and IMO rubbish rock in my Aqua Reef 400 display tank i have 25.32 kg of rock Quote Link to comment Share on other sites More sharing options...
Mirio Posted March 22, 2012 Report Share Posted March 22, 2012 Yeahp, and that's another thing too, I think the general rule is a bit too much rock than I would have in a tank. But each to there own Quote Link to comment Share on other sites More sharing options...
marinefish4life Posted March 22, 2012 Report Share Posted March 22, 2012 The more rock, more bacteria, more bacteria less nutrients :thup: Quote Link to comment Share on other sites More sharing options...
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