How to check reservoir for light leaks

[POKEDSMOT]

Thought I'd share how I check for light leaks in my reservoir. And why I use reflective tape on the lids.

https://youtu.be/sXkx0xSrSm8

https://youtu.be/wDTAGO4qch4

I use my cell phone.
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[alltatup]

Because your plastic is opaque?

 

[POKEDSMOT]

Most sterilite lids are. I also do it to reflect light up into the canopy, stalks, and branches.

 

[alltatup]

I was just trying to understand the videos you posted... Wasn't sure what I was looking for!! ;-}