put a small fan on my scrubber

[greenmachine]

after readi
ng about the new uas design i decided to install a small fan on the top of my waterfall scrubber box. my algae has always grown forest green to black.think this will help?

[kerry]

I have tried this for two weeks and just stopped a couple days ago. I was getting OK growth but my algae way sucking up my Alk (bicarb) and after not seeing much of a difference I stopped. I cant say that I seen any growth difference.

[Garf]

after readi
ng about the new uas design i decided to install a small fan on the top of my waterfall scrubber box. my algae has always grown forest green to black.think this will help?

Will help to reduce the water temperature a bit if your overheating but I can't think of any benefits other than that. Other people think differently though.

[greenmachine]

is santa out there?? what does my dark dark green algae mean?

[Garf]

I'm not Santa but I know what he will say. Dark growth always means not enough light. So what you got shining on your screen?

[greenmachine]

well my screen measures 14" long by 6" tall has TONS of flow and is lit by 4 (2 each side) 24 watt 2700K spiral CFL's. the reflectors are the "soda can" style but larger because I used 5 gallon buckets cut down with mylar inside them.

[greenmachine]

o yea my bulbs are about 2" away from the screen and I will soon be replacing with LED's (this fall)

happy queen day garf! thanks for the quick response!

[SantaMonica]

Yes it's not enough light. Probably because of the reflectors; you are losing half the light.

[greenmachine]

how many watts of led light should I go with when i replace?

[SantaMonica]

I'd fix the reflectors first, so that all of the light hits the screen.

[greenmachine]

whats better than mylar? are the halfed 5gallon buckets just to large? what would make a good makeshift reflector? should i just get reflector/flood cfl bulbs for now?