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T5 Dual Fixture for Grow House?

3 years ago

Hi, my name is Kaegen,

I have two Coralife 36" NOT5 fixtures, and they take 21-watt bulbs, so I have 84 watts total of full-spectrum 6500K fluorescent bulbs; I'm placing these fixtures on top of an indoor growhouse (PVC frame w/ 6 mil Mylar on the 4 vertical sides) with dimensions of 36"L x 20"W x 36"H.

The lights are about 24" above the cacti (Ferocactus and Echinocactus sp.), and I'm not sure if this is enough light for them. Could someone please let me know if this would be suitable for barrel cacti?

I've asked everywhere (other site forums, manufacturers, etc.) and I haven't gotten a response. Please, can someone tell me if I'm doing this lighting setup wrong? : (

Thank you so much!

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