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Avid / Abamectin residual Motivated by a problem I've had with broad/cyclamen mites, I've been researching the toxicity and concerns with using Avid, and have some confusion. It seems that Avid is only approved for use in ornamentals, however Agrimek, which has the same active compound...

I have been having some deficiency show up ~week 2-3 of flower . Mid and upper fan leaves showing some interveinal chlorosis, which evolves into an overall lime/yellowing, without leaf loss. I'm in ebb flow recirculating in buckets , hydroton, using Jack's hydroponic nutrient (5-12-26) +...

Hey All In the wake of a root aphid infestation, I'm looking to reset my grow rooms and take clean cuttings in an attempt to start fresh. My hope to is to take cuttings from plants that have been infested, destroy everything, disinfect on repeat, and let the room sit dormant for a few weeks...

yellowing new growth early in flower, mag defciency? Hello farmers. A little help here would be appreciated.. Got some serious yellowing of new growth a week into flower. Strains Albert Walker and Chem 4. Things looked pretty good in veg, started yellowing soon after switch to 12-12...

I'm wondering about the standard CFM for a fan/scrubber combo operating in a sealed room. I have two 1100 cf. well sealed rooms (10X14X8), planning to run 5 or 6 lights (1000W) in each, on a flip. Will a 6" vortex (450 CFM) running with a mountain air 6"X40" carbon filter (rated to 580 CFM) in...

Dark patches and yellowing new growth, downward curl. Deficient? Hey All I brought home some cuts from a local club in various degrees of health, and transplanted into canna coco about 10 days ago. Things were moving along fine with the ladies under a shop light, until a few days ago when we...

or Same 2100k temp rating. These specs look almost identical, except the Eye Sunlux has a minutely different initial lumen output, and seem to remain working longer (see % lamps still burning after rated lifetime chart). Spectrum seems about exactly the same. Major difference it seems is that...

or Same 2100k temp rating. These specs look almost identical, except the Eye Sunlux has a minutely different initial lumen output, and seem to remain working longer (see % lamps still burning after rated lifetime chart). Spectrum seems about exactly the same. Major difference it seems is...

I've got an electrical question concerning 3 phase power. I have an industrial space with a 3 phase service, each line of which is connected through 70 amp fuses above our meter located in the electrical utility room for the whole building . The panel that contains the main breaker is locked...

Hey yall I'm building a sealed room into a ~22 ft. wide industrial space by walling off 14' in from the back wall. This room will be a closed environment grow utilizing mini splits for cooling purposes. The existing 3 walls are all interior walls built in to a large warehouse space that is...