Blue Dream on day 50 of flower with 10 minutes of 30 watt UVA per hour (120 minutes total). Does she look burnt?
My two Spiderfarmer SF-UV30 LED bars are 18 inches above the plants in a 4'x'2 tent. Main light is a Grow Light Science's Progrow 320. 1st grow with UVA LED.
The pistols will tell you when you're UVA LED's on time is too long. These Blue Dreams have burnt pistols from running my SF-UV30 strips for a two hour continuous block in the middle of the day. I reduced the on time to an initial six minutes per daylight hour and have incrementally increased it...
I F'd up & learned UVA can burn an idiot's plants. I've got some Blue Dream photoperiod clones growing in a 2'x4' under a Grow Light Science Progrow-320 (293 watts for 12 hours) and Spider Farmer SF-UV30 (30 watts for 2 continuous hours) and pictures are at day 21 of flower.
I've decreased the...
Try calling Grow Light Science to see if they'll make you a custom length cable.
I didn't mind paying extra for the 10' DC extension cable because I only paid $295 for the Progrow320 during the early summer 2022 sale. I doubt that sale price will be repeated because the cost of shipping items...
Unsponsored Blue Dream photoperiod girls flowering under a Viparspectra KS5000 and Spider Farmer SF-UV30 grow light. Day 33 and the girls look good to me. Floraflex watering system, Jacks 321, and 6" rockwool keep the plants thriving.
I was bitten by the UV LED curiosity bug so I bought the Spider Farmer's 30 watt UVA LED bar set. $ Discount code bassdropkeys worked. What's in the box?
There are two 15 watt bars in the box. Fits in a 4'x4 tent & the ends poke into the tent walls when the exhaust fan ramps up. Thin wires...