Chihiros WRGB Slim II Light Settings for a Betta Tank

uwggbt

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Oct 13, 2025
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Hey guys,

So I finally got my Betta tank up and running, and now I’m messing around with the light settings.

I’ve got a Chihiros WRGB Slim II, and I’m trying to figure out if there’s a way to have the light gradually ramp up in the morning, then slowly dim down in the evening before turning off. I saw there’s a "ramp time" option, but it only goes up to 2 hours max?

Also, do I even need to run this light at full power, or is that overkill?
Any tips or suggestions would be awesome. Thanks!
 
Last edited:
Hi,
Ramping time can be customized in Cusromize mode, in Auto mode there are only several options.
Start from low brightness, add gradually.

WxDxH IN CM of your tank?
SIZE of the WRGB II Slim?
Do you add plants?
 
Here are 2 pictures. Tank is planted yes. I will add also more plants in the coming weeks.
Tank dimensions: 45x36x34
My light: Chihiros WRGB II SLIM 45 - 45-60 cm 35 W 1800 lm

I would be thankful for a setting i could try that can work.
 

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