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Thursday, April 09, 2020 Matt D. Connecticut

Entry 46 of 190  
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HPS (High Pressure Sodium) Set-up Daytime Image

Here the plastic from the top has been removed for a few reasons…

1.) Increase the amount of light (PAR) that gets to the pumpkin plant.

2.) Prevent the plastic from burning due to the heat from the light

3.) The bottom is kept sealed to prevent the CO2 from being lost

4.) Still allow the venting of the hottest air inside the structure
 



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