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I've been following up on excellent resources recommended to me by a couple of established members on this forum. I came across part of a debate regarding the taxonomy of Cannabis subspecies. and I found it very interesting and educational, if anyone is interested, it is by Ernest Small, You...

I'm planning to start my first grow this summer. I'm aiming very high and I would like to plan ahead. I will be expecting a yield of 3-4 pounds and I will have no one to help me with trimming. I can get a Spinpro clone for US$180, and I would like to hear from people who have tried automatic...

I was sure heat dissipation is a function of surface area. As such, don't round and spherical shapes have the minimal surface area for a given radius? I would expect heatsinks to be as cuboid as possible to maximize the surface area within an envelope. Can someone explain this? Thanks!

I saw it on sale locally for $25 for 20 lbs, is it any good? If it's missing anything, how difficult will it be to complement it? I can't find calcium mentioned anywhere, does it mean it's missing? Here's the breakdown: NPK: 13 - 7 - 20 Mg, S: 1 - 5 N: Ammonium (NH4) 5.9% Nitrate(NO3) 7.1%...

I saw these "150W" (knowing the way Chinese sellers lie, probably 10%-20% lower wattage than stated) on Aliexpress for $10 a piece. The driver is built into the board, so it feeds off 110V/220V AC directly. Has hundreds of positive feedbacks. I was wondering if it's worth making a grow light...

I'm an occasional smoker from NA, considering getting into growing, came here to learn and share my experiences! Cheers guys! D.