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ocean rock
12-10-2009, 10:56 AM
hi guys . last Sunday i stripped down the screen and went to town on it with a hole saw both screens both sides then sandwiched back to getter there now very cactus rough , also returned the reflector so its just on the screen area and not all round the sump , and widen the screen slot , all this has made a big difference , as the screen as got a nice covering of algae already , i will post pic on Sunday after cleaning , there's now 600 watts of lighting , :D

SantaMonica
12-10-2009, 06:03 PM
600 real, or equivalent?

ocean rock
12-11-2009, 02:13 AM
hi sm there 30watts , equivalent to 150watts but that still gives me 60watts each side of screen , its now showing good growth :D

worley
12-11-2009, 03:10 AM
Don't forget we measure lighting Watts in Compact Fluorescent Watts for algae scrubbers, not equivalent Watts. E.g. I have around 150W of actual Watts of CFL bulbs on one side of screen for mine.

ocean rock
12-11-2009, 04:54 AM
hi worley nice to here from u been along time , the screens 10in square and the tanks about 100 uk gallons so 60 watts is about right ?

worley
12-11-2009, 05:23 AM
You need roughly 1 Watt of compact fluro bulbs (not equivilant) per US Gal shared between the two sides, so you need 60w either side of CFL bulbs, plus some sort of reflector.

ocean rock
12-11-2009, 06:33 AM
hi worley , i have 60 watts each side and diamond hydroponic reflective sheeting round it all .

worley
12-11-2009, 09:28 AM
hi worley , i have 60 watts each side and diamond hydroponic reflective sheeting round it all .
Should be spot on for normal loading