Humidity problem

Hello I'm 12 days into flowering in a 100x100x200 grow tent, vegged 4 weeks with a 600 watt metal halide not a problem temps were around 28-30°C humidity was around 51% but now 12 days into flower humidity is around 75% which is gonna cause problems eventually.. the humidity is about 70-80& in the house I think which I personally think is due to the humidifier from the first grow and partly due to cold and wet weather down here where I am.. got 4 plants flowering with 600watt hps now, I do have a cheap £45 humidifier in the grow tent but I don't think its good enough.. So is my only option getting a decent humidifier? I haven't really got the money to spend £100+ on one at the moment but if I need to I will. here is a pic taken today, they have been lollipopped but not much. any advice would be appreciated, got more pics and info if needed thanks

Argos man. You can get a dimplex 10ltr for 119 pounds n shes auto shut off,bit high on the watts but not the worst @250w.
ive a delonge 10ltr n she's bang tidy...cost around 120e at the time n still runs well. She turns off when the ideal humidity has been reached n turns back on when needed.

Rice! Lots and lots of rice! Pulls moister right from the air just like throwing ur phone in rice after dropping in in water

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Yeah Argos or amazon is where I will buy it lol.. even if I get the humidity perfect in the tent, the carbon filter/extractor fan is gonna pull that moist air straight back in right, the whole house humidity is over 70% and the carbon filter is now running 24hour? if buying shit loads of rice is gonna help I will.. but id much rather save time and buy a decent dehumidifier if I must?

get good dehumidifier pay for it self soon,last long time don't go cheap where it counts

Yeah I thought a dehumidifier would be my only option... roughly how long do you think it will last with max ventilation and air movement before I will NEED to purchase a dehumidifier? got a holiday coming up soon so money is a slight issue

one other thing carbon filters hate high rh

Head down to argos n have a gander man.you wont have to pay a ton in postage like you would with amazon.im in ireland our humidity this time of years mad.
When you're in our kinda climate a dehumidifier is a must n that one I suggested is as cheap as you'll find without buying a crap one...stay away from their value range you're after quality with these badboys lol
I'd found a nice one in aldi that I use sometimes cuz I can position the exhaust which is located at the top towards (it's a feature they added to blow warm air on drying clothes so they dry faster) towards my tent n it helps with temps a bit.think it cost 70e was such a bargain I'd to buy it on the spot.not seem one as cheap since with the same quality. If u ever forget to fill ur water for feeding the girls u can use some dehumidifier water...its saved my ass a ton of times haha

If the rf outside is not really high then why not have a inline pull air in from a fresh air vent have a blower blow out stale air and a little oscillating fan if your temps are right this will balance out your levels

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Thanks for your advice guys think I'm gonna need to get a dehumidifier when I got the money, will sort the whole place out.

70-80 RH in your house? watch out for mold

That's what thw dehumidifier is for lol. Once he's that bad boy he'll set what humidity he wants n boom one less problem

Yeah the house is pretty humid, no mould though.. thanks for your advice guys I am buying a decent humidifier for £100-150 in the next couple days.. Humidity in the tent is 85% and temps are bloody low 17°C.. is that due to it being so humid? because before the humidity crept up the temps were steady 22-28°C. So pissed off I better be able to sort it before more problems appear.

ukgrows said:

Yeah the house is pretty humid, no mould though.. thanks for your advice guys I am buying a decent humidifier for £100-150 in the next couple days.. Humidity in the tent is 85% and temps are bloody low 17°C.. is that due to it being so humid? because before the humidity crept up the temps were steady 22-28°C. So pissed off I better be able to sort it before more problems appear.

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The temp will rise slightly as RH decreases. The heat from the dehumidifier alone will help.

Yeah I thought so, should I have the dehumidifier in the room with the grow tent or in the actual grow tent? (its pretty tight in there as it is though)

Like I said with my aldi dehumidifier she's got a great little vent that allows u to angle the vent so u can control where the heats blasted (meant for aiming at clothes so it dries faster but I point it towards the tent lol). Try closing one of your intake ports I had both mine open with 6' ducting n once I closed one my temps went up to 24c

theslipperbandit said:

Like I said with my aldi dehumidifier she's got a great little vent that allows u to angle the vent so u can control where the heats blasted (meant for aiming at clothes so it dries faster but I point it towards the tent lol). Try closing one of your intake ports I had both mine open with 6' ducting n once I closed one my temps went up to 24c

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I think I will be getting the Dimplex Forte 10 Litre Dehumidifier you suggested.. money is an issue at the moment and I can pay Argos over 3months so I think I'll get that lol, I'm sure it will do the job, right?

My 10ltr delonge does the job so she should work but i dunno what space youre working with so keep the receipt just incase but I doubt you'll have any problems

Not massive mate, would just about be able to fit another 100x100x200 tent in the room with just a bit of space left.. deffo getting that humidifier tomorrow or next day.. will let you know how it works, thanks for that man!

No worries man u definitely won't regret it! Makes controlling humidity a breeze. You'll have optimal humidity all the damn time n if u forget to let ur water declor u can use a bit of dehumidifier water to keep ur girls optimal till u can feed em...win win