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You need new power supplyes with PWM dimming. I have similar aquarium - 450 L but I went to different aproach. 5 strong white cobs 5000K 90 CRI, and 30 3W red, blue and hiper violet - 360W (I use only cca 200W - colors at max and white at half. I have made wery cheap arduino controler which is...

I have same Flourite black for 12 years. There are some bigger parts, but most are 2-4mm and also plenty of much smaller. After 12 years it looses some power but it physically same as new. I have baked it at 200°C (cyanobacter) with no harm. I think that you can not mistake with Fluorite...

If so, you need separate PWM driver-s (like Meanwell LDD) for each channel. It is my plan - have ordered TC-421

Isn't TC-420/1 constant voltage driver? It's capacity is 8A, so YES, you can drive 5 modules. But full spectrum is too pink! You need to separate blue and red to dimm. And 5000K modules have low CRI 80. It can be bad, you will not know while you get one,

I have built LED light with Arduino, PCA9685 PWM board, and LDD drivers that consume in total from 400W at max, and just 5W when light dimmed to 0. I measure it with watt meter and it is similar to the specs of LEDs and drivers. PSU-s are two Manwell EPP-400-48. With 200W of this sistem I got...

There is my mistake at my spectra picture...red spike is at 660 nm, I calculated 680, what is wrong.

Hi Kevin! No yellow shadings! At last picture I had to increase red (tuberculatum is even more red in aquarium) and green to achive similarity to nature. Very nice warm colors - I know that many like it more cold colors. I can drive blue leds with more power to achieve that, but I like warm...

Thanks. Much nicer in live, and much much nicer than old T5 CFL light. Everything looks sharper, colors are as the sun come in, shimmering... Now is 6 months under LEDs. I come throw problems with too much light, GDA, green water and BBA, but now it seems to be right amount of lumens and...

Better picture

Hello to all :D On picture is my light that I build for my 450l aguarium. Aquarium is almost 9 years old, and Seachem gravel was never changed. I was sick of replacing CFLs so decided to go for LED. Light is based on 5 Nichia COBs 5000K 90CRI. Controler is arduino. Cooling is full pasive, and...