1. 4x4 set-up

    4x4 set-up

    4x4 with @Mars Hydro FC4800 @Mars Hydro 6in inline duct fan with carbon filter. 5 total fans. Humidifier and a dehumidifer along with a grow room standing AC unit.
  2. InTheShed

    Rice Balls to lower RH in jars

    Let me start by talking about the success of @Scientific's oven-dried rice suggestion. :thanks: HOLY MOLY! Toss out your silicone beads and your store-bought desiccants. If you need fast and extreme dehumidifying, GO WITH RICE! The basic info is that rice took the RH in the jar from 75% to...
  3. George Mc


    I have a 4 x 4 tent and am just starting my first grow. I anticipate the humidity being higher than what it is supposed to be. Does anybody have any recommendations for a dehumidifier that is cost-effective?
  4. MackMcMacMac

    Struggling with high humidity

    While my plant was in veg, humidity of 65-80% wasn't a big deal, but now that I've switched to 12/12, it concerns me. The room is generally around 55%, but the grow tent itself is currently registering 85%! Thinking my sensor was fubar, I put a second meter in the tent. Both meters register the...
  5. K

    Mounting Quest 110 dual dehumidifier in tent

    Beginning to have high humidity issues during the night, sometimes getting as high as 70%. I'm in a 10x10x6.5ft tent with 9 315 cmh's, 24000 btu mini split, and a 70 pint dehumidifier built on a shelf with a condensate pump. The dehumidifier can't seem to keep up so, I'm leaning towards a quest...
  6. 28 Grams

    Air from the dehumidifier is very warm

    Before I got a dehumidifier here were my stats: Ambient temperature: 70-85F Tent temperature: 70-85F Humidity: 70-99% So I got a dehumidifier and hooked up the exhaust to the intake of tent, so now the humility is as lowe as I want (45%) but it's SUPER warm. My temperature monitor said...
  7. MickFoster

    Should I Leave The Lights Off?

    I am currently in the 3rd week of 12/12 and my plants are in a separate room which I close off during their dark time, and I control the environment with a small a/c unit and a dehumidifier. During their light time I open the doors to the rest of the house and turn off the small a/c and...
  8. TripleBeam

    Wanted to share my tent setup

    I wanted to share my 5x5 tent setup to help others solve enviromental problems. Obviously everyones houses are different. I didn't like how my demidifier was heating up my tent being inside it. I was searching around and saw a diagram using a cardboard box for the dehumidifier outside the tent...
  9. C

    DIY Inline Dehumidifier

    Hello fellow growers, In an attempt to lower humidity during vent off/CO2 spraying I built this inline dehumidifier which got coupled with another smaller inline vent I had lying around, circulating the air in the tent. The design is pretty straight forward, I used a 6Amp peltier element with...
  10. M


    I have one and seeing my crop is only a few weeks off Is it worth when I have cropped my babies to put the dehumidifier in the tent to help them dry?. Or is this a bad idea?.
  11. 420Steve

    All in one dehumidifier and temperature controller advice

    Hello growers, I am looking for a Dehumidifier and Temperture contoller on amazon but dont quite understand or even if you can buy all in one controller, my budget is about £100 ($148.24) and i want to purchase a Dehumidifier & Temperture contoller aswell as a dehimidfier its self all for...
  12. rillos

    Let's talk about DIY dwcr set-up's

    :420: Just finished my new dwcr system using 19 gal tub's. Each tub will have its own air pump and I made a chiller out of a dehumidifier that will sit in the res. There is also a pond pump that will feed from my res to my grow tub and back through the PVC pipe. I like to get some more idea's of...
  13. nightOWL

    Need a recommendation for a dehumidifier

    Hello all... I've got a 4'x4'x79" tent with 2 plants, each in an independant 5 gallon DWC setup. I live in an area that's pretty humid. I'm about to move to flowering and the guy at the hydro store said that in my area a dehumidifier is a must... I'm digging around online, but I'm not sure...
  14. T


    Any help would be appreciated. I converted a dehumidifier into a water chiller for my rez. Works perfect. It chills way beyond the plants needs. My problem: can't seem to find the sweet spot in the humidity dial to get to my desired temp. Ive mico adjusted it to the point i can't adjust it...
  15. T

    New Grower, Need Advice Asap!

    So I'm relatively new to cropping and I need some advice. I have a 120x120x200 budbox that is using 2 600W HPS, growing 12 plants using a 12 plant IWS system. The timer is on a 4 hour intervial, feeding 6 times in a 24 hour space. Now I know about the Ph, Nutrients, Optimum temps/humidity...
  16. ConqueringLOJ

    Lion's Humidity Issues?

    Howzit fellow growers, Ok, so I'm just about to tackle my next grow, but the new grow location has changed and I'm having humidity issues. The new grow is taking place in a 4x8x7.5 grow tent (240 cu.ft.) in a garage. My problem is that I can't seem to get the RH below 70%...even with adequate...
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