54 Comments
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By GeoBot ,31 May 2014Good Info, Thanks
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By chrissy ,09 Oct 2014OK just a quick question... My girl isn't growing very much and is only 13 inches IF THAT at 42 days of vegging. She was badly burnt by I guess getting hold of a TR nute ball in the soil […]Read More
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By Problems That Cause Marijuana Plants To Stress ,15 Jul 2015[…] The flip side is making sure that your grow room doesn’t get too hot. If the temperatures are too hot, the plants can be damaged. You might experience weak stalks and stems, as well as wilting droopy plants. Consider […]Read More
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By Symptom Checker – Identify Marijuana Plant Problems ,12 Aug 2015[…] Heath stress […]
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By sam and maria roberts ,02 Nov 2015We are getting ready to start growing... we've been doing a lot of research on lighting. We're wondering why or if LED lights are even a possibility for growing? They have an abundant amount of lighting without all the heat […]Read More
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By Ed boham ,20 May 2016Led is by far the way to go! No matter what the energy savings alone are worth it but also the quality of light! If you need proof go to YouTube and put hps v led the results are iutstanding
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By perfectgrowth ,25 Aug 2016the LUSH brand of lights are the original and best lights on the market. there are a lot of led knockoffs that do not work at all. so be careful
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By Chapito ,09 Jul 2016I used the LED flourencents from Walmart with a T8 bulb in the 6100-6300k color range for veg. takes 4-6 weeks to veg rather than 3 bit the flower cycle is roughly the same length so you can veg under […]Read More
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By Nick ,04 Nov 2016Yes I have a 15 way led and it works great
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By Alba ,13 Feb 2017I'm using a 600w led in a 12 sq ft room on at night and cycling off in day keeping the temp between 70 -77 deg the light is full spectrum led working like a charm 7 weeks into the […]Read More
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By ColoradoRosin ,12 Apr 2017It's a myth LED's dont generate heat. They do. Enough to keep a room at a good temp. I had to cool my LED down but removing the glass, and turning teh fans around.
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By steve ,05 Jun 2018i began with LED and with temp control of the room have gone right off fluros. the three basic rules still apply. 1 temp, 2 air movement, 3 dont over water.
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By A Roach ,09 Jul 2018I use led and they do generate heat, just not as much as with hps. The big difference is with the ventilation, HPS requires constant ventilation to keep it cool and you need a heater or air conditioner to control […]Read More
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By latewood.ILGM ,03 Nov 2015This is all a matter of choice. Without knowing what size grow you are considering I can only offer my opinion. LED is expensive compared to HID. The newest digital hps/mh switchable, adjustable power output all in one systems are […]Read More
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By BotanicMike ,06 Nov 2015For Sam & Maria Roberts 1st we must know what your climate is like in order to determine which lighting setup is right for you. I grow with both. So there are a few factors to look at before deciding […]Read More
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By Jeffrey Jones ,20 May 2016I've not received anything info or any seeds from you guys so please let me know what going on ty . 423-280-0748
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By Jennifer ILGM ,20 May 2016This is not the area for shop support. Please send an email to [email protected] They will help you out.
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By T Bear ,20 May 2016Hi Mike I'm growing ultimate and power plant at the moment one tent has 4 power plant in 25litre air pots 5ft by 5ft and the other same size tent in an eb and flow system at the start we […]Read More
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By Joao Ferreira ,26 May 2016You mention temperature what about humidity ?
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By Jennifer ILGM ,27 May 2016Hi joao, read Humidity And Marijuana Plants.
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By Gongalee ,27 May 2016Great info, well appreciated.
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By How To Setup A Low Budget Indoor Marijuana Garden? ,28 Oct 2016[…] The temperature should not drop below 64 and not get higher than 86. Around 77 is perfect! The HPS light will produce a lot of heat so if you install it in a 1x1x2m closet without ventilation temperatures will […]Read More
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By pokediok ,06 Dec 2016I dont get the fuss about LEDs, frankly, HID produce 130 - 150 lumens per watt, the same as LED and cost TIMES cheaper. So there are no savings on your electricity bill. And for the quality of light? Plant […]Read More
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By Michael Coutts ,11 Feb 2017I have used both HP and LED in my grows. I am sticking with LED. My electricity bill is 43% of what it was , I water less frequently and at least in my veg room the results are no […]Read More
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By Rob ,12 Feb 2017You mention a max temp difference of 50F but that can't be right. You're converting 10C to Fahrenheit, but since you're talking about differences in temp, you should use only the slope in the calculation and drop the intercept. So […]Read More
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By Chris ,07 Mar 2017You say "So when it’s 82ºF (28ºC) during the day, it cannot go below 64ºF (18ºF) at night. A temperature difference of 40ºF (5ºC) is ideal.'' If its 82ºF and temp drops 40ºF then you are at 42ºF.. Too Cold!
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By latewood_ILGM ,07 Mar 2017IN the same expanation it is made clear that it is not advisable to allow temps to drop more than 18f. Common sense dictates that this is probably a typo. It is a typo. I went through the article, found […]Read More
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By Dendo ,19 Mar 2017What is your take on high DO (dissolved oxygen)? Have you used high DO in the cloning stage? Thanks.
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By nathan ,04 Jul 2017what are the effects on the plant if the temperatures reach but do not exceed 35 degrees centigrade for short periods? (periods not exceeding a few hours?)
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By latewood.ILGM ,11 Jul 2017nathan, 35 c or 85 f is deadly to plant cells. The longer a plant is subjected to that extreme temperature the more likely that cell damage will occur. Once a cell dies, it is gone. There are several remedies […]Read More
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By B ,11 Aug 2017please help me 4 plants just went herm and i dunno what to do......( sob ).
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By Sandy Baier ,04 Feb 2018I am a newbie and can use all the help I can get. Tks.
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By Sandy Baier ,04 Feb 2018This info has been a great help. LUV
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By George ,14 Mar 2018Outdoors it has gotten down to 38f, which I feel may kill seedlings? Also, what about soil type recommendations? We have a lot of sand here and the ph of the soil may be very acidic and need to be […]Read More
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By latewood_ILGM ,15 Mar 2018Geroge, You definitely do not want seedlings in a 38f environment. They need to be in an 80f + environment with high humidity approx. 70% For soil and amending soil information; Go to: ilovegrowingmarijuana.com where we can help you properly. […]Read More
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By OG Mom ,14 Mar 2018I am really confused about the hot are extraction. You say "For the extraction, use the following simple formula; number of watts divided by two = extractor in cubic feet (meters). So 2 x 600watt HPS is requires an extractor […]Read More
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By OG Mom ,14 Mar 2018If the max for growing cannabis is 85, How come we could grow cannabis in Arizona in the middle of summer when it is more than 100 degrees.
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By latewood_ILGM ,15 Mar 2018OG Mom, Cannabis is adaptable. Just because it can adapt and grow at 100f, does not mean that this is an optimum situation. ;) Peace
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By Jesse jimenez ,26 Apr 2019when planting outdoors should they be in sun or part sun and shade
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By Tom ,04 May 2019My grow partner an I or a 30 p of fru a a 30 pack of y ju see. The seeds showe up in mi 5 da after the or was p. The first cro is a comb of 5 […]Read More
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By latewood ILGM ,19 Jun 2019Jesse, Wheterh or not you plant in partial shade is determined by your climate, and your budget. I recommend you plant in full Sun generally but, it would be advisable to build a rustic frame to support shade cloth over […]Read More
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By latewood ILGM ,19 Jun 2019Tom, Thanks for the kind words. Your message was quite broken up but, it appeared you are happy. So..Happy growing in the future :)
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By Frederick ,29 Jun 2019My plants are not doing well I need a few tips please
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By Alex ,03 Sep 2019Your awesome great insight on the temperature control easy to understand and well put thanks
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By Robb ,26 Nov 2019What is to hot? I’m a rookie grower and i finally got a couples tents, been growing for a year
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By Robb ,26 Nov 2019First time on here blogging
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By Gladys ,05 Aug 2020If its too cold outside can i repot my plants if so how HELP??
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By Jorge ,15 Aug 2020Thank you I read through this article and learned a whole great of stuff I'm a new grower to barely started n have the slightest idea somebody gifted a grow tent to me with all the equipment so I'd figure […]Read More
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By Jorge ,15 Aug 2020So whatever you can I personally you know guide me through A close mouth on get fed right Right
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By Geoff ,25 Aug 2020Thanks curling._.. Heat.No need to panic?
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By steffen ,16 Sep 2020I have a plant in flower a few weeks from harvest and I have a big issue the leaves at top the side of them are curling down the leaves drooping and there turning brown and drying up I recently […]Read More
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By Matthew ,07 Feb 2021Very interesting,👍👍👍