Chemeleon RGB LED tube lights are the best budget tube lights that I used so far. They are really bright and comes in a full RGB spectrum. Also there are two sizes 2 and 4 feet long.
Check out the video for more info
Here you can purchase the lights:
Chameleon 2ft: https://amzn.to/33I5Kop
Chameleon 4ft: https://amzn.to/2QEQhQS
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