Best way to link multiple ducted cool tubes?

drekoushranada said:

Hello I'm going back to growing vertical after giving horizontal growing a try. I will have 3 cooltubes. One 1000 watt and the other 2 will be 600 watt. I want to do it this way so I can harvest every 3 weeks. I'm thinking it will look like ~ or something similar. Thanks in advance. I would go bare bulb but it is to freaking hot!

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drekoushranada said:

So will it be best if I connect them at the bottom or top?

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