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My ViparSpectra lights outperform my previous Mars and SF lights with ease and less power draw per sq ft.

You can fill a 4X4' area with 385-400W @ 650-950PPFD at only 75% power by spending $399.99. Check out the KS-5000 by ViparSpectra.

Use a PPFD meter. Height/wattage and dimmer % mean nothing without actual data.

LMFAO. :D

Thank you Daino. Been a lurker for awhile. When will I be allowed to “like” replies and postings?

They have close to a 70-75% density I’d say. The weight wants to tip the center cola over if it wasn’t tied up. This is probably the most dense auto I’ve grown yet.

Thank You! It's part time job tending/watching them etc. I have a 4X4' tent that literally consumes another 3-4 hours every few days as well.

This Green Gelato auto grew on a table with a VS4000 @ 50% (198W). 350-450PPFD during veg, and 750-875PPFD during flower. 2 gallon pot. It’s 39” tall and I expect 7-9oz dried from it. Knowing/using PPFD values almost makes wattage recommendations useless with the efficiency of the 301B/H...

These are in 2 gallon pots.