Thank you for the input. I really appreciate it.
I have been looking and and trying to cost out such a light as opposed to purchassing a ready made one. I am not an electrician but am willing to turn my hand where possible and if not too complicated. I am on a tight budget which is why I am looking to a DIY option.
To begin with, this is not easy because most LED
setups are for marine tanks. Too much blue or pink or simply "blurple". Ugh !!! When I seek DIY components, I fall right backinto marine combinations .... missing greens and UV
and even white.
But in my searching, I have come up with a combination that I think could work. My trouble now is whether to havethis made up into 3 COBs or with single chips. Do I need lenses or not? I would like it to be programmable, at the very least on a timer, but preferably programmable so as to be able to mimic sunrise and sunset.
I understand that I would need channels. I am here at a loss as to what I shoud be aiming at. My calculation is a 100W rig. I envisage the following:
70 x 10000k daylight cool white
16 x Actinic 460 nm blue
8 x 620 nm red
6 x 520 nm green
This represents 100 units @ 1W each. My tank is 220 litres, 100 x 50 x 45 cm. The tank is not for breeding per se. A planted theme tank, Asian varieties of fish.
I have tried to find something that resembles this make up but have come up empty. I live in Switzerland and buying this individually is way more expensive than buying a commercial one. Online I find some of what I am looking for but not all. If I combine sets, I'm back to more expensive than a commercial one.
Can you suggest something I can do? Buying from the US is simply too expensive ... although slightly cheaper than here (without import taxes). I have looked at AliExpress but have come up empty in my search.
I am hoping you may be able to assist inthis endeavour. Please feel free to suggest whatever comes to mind as I might even have my composition wrong.