Freeo Posted March 6, 2015 Report Share Posted March 6, 2015 Hi Guys, After some advice. Looking to build a room going to use melamine 2.2m high, 1.8m wide, 1.2 meters deeps. Thinking of building my own 315w ceramic metal halides using the $200 Philips ballasts globe and and adapter in the gavita triplestar reflectors. looking at having 2 of those and 1 600w hps in the centre. What would be the recommended intake and extraction fan for that room looking at doing two plants. Advice would be appreciated. Quote Link to comment Share on other sites More sharing options...
louise Posted March 6, 2015 Report Share Posted March 6, 2015 Follow link to calculator http://cannaversity.com/calculators/lighting.php Quote Link to comment Share on other sites More sharing options...
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