Doug29 Posted January 28, 2015 Share Posted January 28, 2015 How many ocean revive arctics would i need for a 30x30x22 tank? Quote Link to comment Share on other sites More sharing options...
pledosophy Posted January 28, 2015 Share Posted January 28, 2015 2 would do it, maybe 1 if it were high and you weren't doing high light corals, but generally each unit covers. 2'x2' area Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
fishmanmike01 Posted January 28, 2015 Share Posted January 28, 2015 To what depth do they work effectively? Quote Link to comment Share on other sites More sharing options...
matt Posted January 28, 2015 Share Posted January 28, 2015 My tank is 48x24x20 I have two at 13" above the tank and I am considering adding a 3rd one. Quote Link to comment Share on other sites More sharing options...
pledosophy Posted January 28, 2015 Share Posted January 28, 2015 To what depth do they work effectively? That depends on what you are trying to grow I would say. On my 18" tall tank I can keep acros on the sand and the lights are at 70% blue and 50% white. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
pledosophy Posted January 28, 2015 Share Posted January 28, 2015 My tank is 48x24x20 I have two at 13" above the tank and I am considering adding a 3rd one. If your able you might want to see if lowering them works for you. I ran a 120 with 2 lights and had no need for more. Our stock is similar. On my 120 I'm back to T5's for the time being though so no pics of that now. Are you getting shadow spots? Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
matt Posted January 28, 2015 Share Posted January 28, 2015 It's shadowing around the edges. I have also considered building a hood to help control over spill of light and see if that would help. Quote Link to comment Share on other sites More sharing options...
fishmanmike01 Posted January 28, 2015 Share Posted January 28, 2015 That depends on what you are trying to grow I would say. On my 18" tall tank I can keep acros on the sand and the lights are at 70% blue and 50% white. Mine is 29". Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Doug29 Posted January 28, 2015 Author Share Posted January 28, 2015 Or should i spend the extra $20 for the t247's Quote Link to comment Share on other sites More sharing options...
spilo Posted January 29, 2015 Share Posted January 29, 2015 247s are nicer.. basically the same light but built in timers and only 1 power cord Quote Link to comment Share on other sites More sharing options...
Doug29 Posted January 30, 2015 Author Share Posted January 30, 2015 just ordered 2 t247's i think that will be good enough for that tank Quote Link to comment Share on other sites More sharing options...
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