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I'm an old school photographer with a hand held sekonic light meter with a spot meter. Could I with a 18% grey card get a spot reading that could be converted somehow to PAR? I would also possibly risk the light meter by sealing it in a ziplock and get a submerged reading. Either way, is this...

I need to return an aquaray lighting controller, But I no longer have the packaging. I was hoping that maybe somebody out there might have just bought one, and would be willing to part with the packaging to help me out? SKU#:5027656500734 Cheers R Sent from my iPad using Tapatalk HD

Thanks for the info... Anyone out there want to swap ame for the larger aqua ray controller? Cheers R Sent from my iPad using Tapatalk HD

I currently have a twin grobeam on my tank with an aquaray lighting controller. Would it be possible to use a splitter to run both lights off one channel, thus freeing the second channel to control a blue led strip light? If so where might I find the splitter cables to do this (1.7mm x 4.0mm)...

Yes, and plants do not turn yellow because they need more light. They turn yellow because they either don't have enough Nitrogen, or Iron or Magnesium. There is probably too much light and you are not taking care of them so adding more light will make them turn yellow faster. This is precisely...

True I maybe off the deep end. But not every light you look at has PAR readings. When you ask they usually don't know. And I really can't afford shelling out money for a contraption that will theoretically save me money by giving me an idea of how much light I need. This is the website that I...

Every day I read something new that sets me off in a different direction. Bottom line I guess is saving money. Long and short term. Just frustrating to try to grasp the optimal light given led Most led cater to marine tanks. So it is hard to find anything in relationship to tropical. I have...

So I was thinking about getting these... http://www.ebay.co.uk/itm/10-PCX-CREE-G ... 08400?var= I have a heavily planted tank. 80x40x30 24.7 gallons. In order to reach the desired LSI of 30 I need roughly 11,160.45 of lumen power. With 10 of these Cree gu10's I will have roughly 9000 Or a...