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Can anyone vouch for the Maxibright 3k agro 600w CMH bulbs that use an E40 fitting and a standard reflector and magnetic ballast? Im so curious in em im halfway through my hps flowering but im about to drop 190 quid on 2 bulbs to make the plunge into the CMH world....they are very new bulbs and...

Ive noticed a new bulb namely the maxibright 600w cmh, its about £100 per bulb but you dont need a cmh ballast you simply screw it into an e40 fitment with a normal magnetic...Ive never used cmh technology as im getting good yields doing the MH in veg and HPS in flower technique...however this...

Gents, Ive not checked my lot in a few days, looked at em this morning and half of em have these little sacs appearing up the stems. Theyre 2 weeks into flower, all feminised seeds (dr krippling - incredible bulk) so im surprised/horrified to see this. Does this mean i should get rid of em or...

Gents, ive been growing in soil for about 6 years now, i started off in flo-gro hydrotubs but found them a bit of a pain as i was new so switched to soil, however i want to now dabble in hydro to see if i can up my yeilds. Ive got a secret jardin dark room which is 1.2mx2.4m. I currently do 8 x...

Right, summer is nearly here in the UK and i have two choices, ive got both air cooled reflectors and large adjusta wings. Now the question is, am i going to be better off with the air cooled hoods and lower temperatures or the adjusta wings and higher temperatures? which is likely to give the...

Ive got my girls in a scrog, 4th week in bloom...the ones directly under each lamp have started yellowing for about the last week..not sure why. I dont think theyre heat stressed as the lamp is 2ft away and is air cooled...temps in tent are about 28-30 lights on. Its only the plants directly...

Ive been using plant magics range which seems excellent so far, but im not really sure wether i should be correcting my mixes with ph down as when i add the bio silicon to the water it sends my ph up to 9 which seems too high to feed the plants with, but ive read that soil acts as a buffer so it...

i had to work away for a week and have my babes looked after in the rooting stage, i didnt get a chance to set up the scrog net above the pots before i went away and theyre all now about 14" tall. is this too tall to set a scrog net up just above do you think or should i carefully lay the net...

Basically, im not sure wether to top the babes or nt when they get to the screen, it kind of seems to me that topping would only have a purpose if scrogging from seed to split the main cola stem in two? I might be wrong here though, this will be my first ever scrog from cuttings so any advice is...

Right, my lights on temps are spot on ive managed to keep em around 25 degrees celsius, but my nighttime/lights out temps are hitting as low as 13 celsius, now i want to know is this likely to impact them massively or not? I could invest in a small heater but i figure this wont do a lot as any...

Basically want to know how long to safely leave all the undergrowth and leaves in a scrog grow before i chop it all away, im under the impression you should never fuck about cutting plants in flower as you stress them too much but how else are you supposed to do this when youre growing in a scrog?

Right guys, im now thinking about starting a perpetual crop to maximise my annual production, never did it before for various reasons. I wondering which would be the best way of doing this since my space is a little limited. Ive got a grow tent for flowering which i use for all stages at the...

Im thinking bout taking on Aeroponics for the first time, i used to do hydro in flo gro 500 drip tubs but stopped after a couple of crops of root rot, got fed up with all that work for nothing so switched to soil for an easy life. Now im looking at Aeroponics, seems a very exciting way to...

Guys, we are having an intense heat wave in the uk atm and the plants arent doing too well. They are 5 weeks into flower but i cannot get the temps in my tent below about 38c atm because we are having averages daytime temps outside of 30c min. They have started to look limp and the branches are...

Quick question, ive got 2 600s linked up via ducting pulling the heat out of sealed reflectors, my fan should be strong enough as it's pulling the sides of my tent in, and the room the tent is in feels nice and cool yet inside the tent its hot! Will getting a stronger fan resolve this issue...

Basically as the title says, ive got this as final dry weight but am disappointed as i was expecting a bare minimum of 25 oz. I got 15 under one 600w in an adjusta wing reflector the time before so assumed i should be able to double this in theory? How come ive ended up with only 3zs more...

So basically got an email from my landlord saying, to my horror, he wants do a viewing of the house in a weeks time and im only 2 weeks into flower, so frustratingly ive got to take down my entire setup, tent lights plants everything and stick it all in the garage possibly for up to 24 hours in...

Hi ive got a quick question about soil pots use in passive hydro. Im keen to stop hand watering my pots and just do a passive hydro method, im planning on just getting a Garland tray with high sides and putting my 11 litre pots in and putting the nutes/water straight in the tray rather than...

I have a heat issue atm when i use two lamps which cant be resolved due to surroundings, so therefore ive been growing and into 4 weeks of budding with just one 600w hps. When will be the best time to add the other lamp to boost em? Will it be effective or will it stress the buds too much? The...

Yo, basically, ive had a heat issue with my house since i started using an extra lamp. Ive got 12 cash crop seedlings autoflowers in 11 litre soil buckets, under 1x600w HPS lamp in a 2.4mx1.2m tent. Now, when they start flowering i want to hook up my other 600 lamp aswell but when ive got them...