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getting this Interveinal Chlorosis on several leaves curious if anyone has an idea of what sort of deficiency/tox it could be be? Hydroponic based propagation method

Looking to dial in the use of old school Turboklone aeroponic cloners Currently having a few problems ranging to, yellow leaves, Pythium and having no roots but plenty of calluses See attached for photos of roots and yellowing leaves :( Beginning stages: Cuttings dipped in purple clonex then...

Looking to dial in the use of old school Turboklone aeroponic cloners Currently having a few problems ranging to, yellow leaves, Pythium and having no roots but plenty of calluses See attached for photos of roots and yellowing leaves :( Beginning stages: Cuttings dipped in purple clonex then...

I can't seem to find a reliable retailer for enclosed led heatsinks, anyone got any links? trying to find the new mars hydro FC-E6500 type of styling of movable led heat sinks across a rail

Really don't wanna make this post but HLG is outta stock again and I'm hellah confused by Alibaba Looking for a 3 panel solution to fit inside a 1200x400 area, I'm looking at this one here or should I be trying to go for the LM301B fixture instead Looking for around 320- 480w,

Just spotted these little buggers but all my research online and I can't seem to find anything that matches Soil, hps and have been put outdoors once or twice.. Curious if ya have any ideas?

I constantly go onto Cutter to buy heatsinks but most of the products i want (IceLed Ultra VS / CUTTER-HS14080P ) are always on back order, are these products always unavailable or are they just shipped in for specialized orders? It's quite a shame as they have great prices too :'(

Looking for the best / most cost effective 150w active air heatsink, does anyone have any suggestions? I've had a look around and found the Mechatronics COOLBAY GIGA-A/B & Tera line but I was curious if there is anymore legitimate high watt heatsinks around? Cheers!

Just curious what pot size I should be using with the above ballast, can anyone help?

Looking to calculate the PPF / PPFD / uMols for a CLU058-1825 at specific amps i.e. lm v w lm/w 1050 CLU058-1825C4-353M2K1 9457 50.7 53.2 178 1400 CLU058-1825C4-353M2K1 12427 51.6 72.2 172 1800 CLU058-1825C4-353M2K1 15723 52.5...

I'm wondering what would be the best 240v driver for 4-6 x CLU058-3618C4-273M2K1 @ 1.4amp? Also were is the best price for these cobs? Cheers!

Does anyone currently have any information about the CLU048-1212C4-353M2K1 (or similar 1212 based versions) I keep on reading that there are possibly some low-cost suppliers around but am not really sure who I should contact, etc.. Can anyone help? D:

I'm looking to start a thread demonstrating the potential of combining LED COBs and the plethora of Hydroponic systems around these days (bonus points for DWC/RDWC/NFT) I've spotted a few hydro led grows out there but there must be more, show me what you got :D

Yo! I'm looking to purchase a 400w MH bulb that is capable of running on a digital ballast. Currently I've got my eyes on a Sunmaster Full Nova 400w due to it's beautiful fully balanced spectrum Does anyone have experience with these particular bulbs or what does everyone recommend? :eyesmoke:

I have a buddie that wants a veg chamber set up with 4-6 quality T5 bulbs. I remember reading a topic titled 'LED without LEDs - My First T5 grow' (https://www.rollitup.org/t/led-without-leds-my-first-t5-grow.358190/) and the professor outlined great T5 bulbs that he used with great success...

I'm currently looking around for a semi-densely yielding (400- 500 gr/m2) and trichrome dense strain to run in my vertical WoW (wall of weed) grow. Ideally it would be: - 3-5ft in height - Indicia Dominant - Multiple cola (utilizing FIM & LST techniques) - Can be used between soil and hydro -...

I'm currently looking around for a semi-densely yielding (400- 500 gr/m2) and trichrome dense strain to run in my vertical WoW (wall of weed) grow. Ideally it would be: - 3-5ft in height - Indicia Dominant - Multiple cola (utilizing FIM & LST techniques) - Can be used between soil and hydro -...

Hi Rui, Thinking of running a vertical t5 PAR grow.. In a box around 90cm(h)x30-60cm(d)x30-60cm(w). Also wondering if I can can build a rotating centre to put all the T5's on to slowly rotate the lights around distributing the PAR. Will be running 22" 24watt variation of T5 lighting w/...

Gooing to probably be running a bare bulb 400w vert grow in around a 3'x3'x3-4' box with around 4 plants. I could probably get the lights 4-6" with the right amount of crazy airflow.. So, how far into the plants will the light get? Cheers!

Hi RUI, So since my 400watt HPS wardrobe grow got canned (No available room) I decided to do a CFL grow chest - dimensions around 80cm(L)x50-60cm(W)x60cm(H). To still get an OK yield I was thinking around 3-4small SOG plants, with around 4-10 65watt 2700K and some 6500K to bush them out in...