# FAQs

**URL:** https://ilgmforum.com/c/support/grow-faq/22.md

[Latest](https://ilgmforum.com/latest.md) · [Categories](https://ilgmforum.com/categories.md) · [Tags](https://ilgmforum.com/tags.md)

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## [ILGM Grow Support Ticket](https://ilgmforum.com/t/ilgm-grow-support-ticket/1458)

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**Author:** [@latewood](https://ilgmforum.com/u/latewood)\
**Replies:** 2\
**Last updated:** [November 21, 2025, 10:27pm UTC](https://ilgmforum.com/t/ilgm-grow-support-ticket/1458 "2025-11-21T22:27:29Z")

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Latewood’s original ILGM Grow Support ticket I came up with the ILGM “Support Ticket” years ago in order to help new membersto easily provide the necessary information to the community mentors, and our ILGM Moderators…

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## [Read before posting! This is for reference only; It is not a support section!](https://ilgmforum.com/t/read-before-posting-this-is-for-reference-only-it-is-not-a-support-section/1160)

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**Author:** [@latewood](https://ilgmforum.com/u/latewood)\
**Replies:** 0\
**Last updated:** [October 28, 2014, 4:18am UTC](https://ilgmforum.com/t/read-before-posting-this-is-for-reference-only-it-is-not-a-support-section/1160 "2014-10-28T04:18:42Z")

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This GrowFAQs area is not for support questions. If you fail to read this notice and post incorrectly in this section; The thread will be closed, and moved if possible to the correct area in the support area of our for…

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## [Robert's Symptom Checker. What is wrong with your plant?](https://ilgmforum.com/t/roberts-symptom-checker-what-is-wrong-with-your-plant/12211)

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**Author:** [@latewood](https://ilgmforum.com/u/latewood)\
**Replies:** 2\
**Last updated:** [October 23, 2024, 1:06pm UTC](https://ilgmforum.com/t/roberts-symptom-checker-what-is-wrong-with-your-plant/12211 "2024-10-23T13:06:28Z")

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I just wanted to make this more public and easier to find. If you study this you will be able to handle issues immediately when they occur. Happy growing, lw :slight\_smile:

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## [How to calculate yield](https://ilgmforum.com/t/how-to-calculate-yield/1287)

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**Author:** [@ILGM.Claire](https://ilgmforum.com/u/ILGM.Claire)\
**Replies:** 113\
**Last updated:** [September 9, 2021, 5:49pm UTC](https://ilgmforum.com/t/how-to-calculate-yield/1287 "2021-09-09T17:49:12Z")

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A question I get a lot is: How many seeds to get 1000 grams or how much will one plant yield indoors? Its not really about the amount of seeds but more the amount of watts you are using and the size of your plants. 600…

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## [Robert Bergman's Nutrients. Feeding broken down with variables](https://ilgmforum.com/t/robert-bergmans-nutrients-feeding-broken-down-with-variables/36020)

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**Author:** [@latewood](https://ilgmforum.com/u/latewood)\
**Replies:** 2\
**Last updated:** [August 27, 2021, 5:00pm UTC](https://ilgmforum.com/t/robert-bergmans-nutrients-feeding-broken-down-with-variables/36020 "2021-08-27T17:00:57Z")

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OK. I just reviewed the soil and hydro mixing schedules for RB nutrients. Here are 3 options as I see them. I figured this out under the old posted schedule which has changed since. I iwll explain. My recipe that has …

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## [5 Tips and Tricks for Caring for a pH, EC, or ORP Tester](https://ilgmforum.com/t/5-tips-and-tricks-for-caring-for-a-ph-ec-or-orp-tester/72262)

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**Author:** [@latewood](https://ilgmforum.com/u/latewood)\
**Replies:** 0\
**Last updated:** [August 3, 2021, 7:50am UTC](https://ilgmforum.com/t/5-tips-and-tricks-for-caring-for-a-ph-ec-or-orp-tester/72262 "2021-08-03T07:50:08Z")

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https://www.amazon.com/Hanna-Instruments-HI70300L-Electrode-Solution/dp/B01J5F1U3G/ref=sr\_1\_1?dchild=1&keywords=pH+Electrode+Storage+Solution+(500+mL)&qid=1627977662&s=instant-video&sr=1-1?tag=greenrel-20 https://www.…

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## [How many marijuana plants under a light](https://ilgmforum.com/t/how-many-marijuana-plants-under-a-light/1124)

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**Author:** [@ILGM.Claire](https://ilgmforum.com/u/ILGM.Claire)\
**Replies:** 2\
**Last updated:** [July 19, 2021, 4:34pm UTC](https://ilgmforum.com/t/how-many-marijuana-plants-under-a-light/1124 "2021-07-19T16:34:17Z")

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A question I get a lot is how many plants do I use under a light? What I usually do is 1x 600watt per square meter, which can house around 16 to 25 plants. Any other suggestions?

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## [To flush or not to flush....a science review](https://ilgmforum.com/t/to-flush-or-not-to-flush-a-science-review/59853)

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**Author:** [@Ocean](https://ilgmforum.com/u/Ocean)\
**Replies:** 11\
**Last updated:** [March 5, 2021, 10:32pm UTC](https://ilgmforum.com/t/to-flush-or-not-to-flush-a-science-review/59853 "2021-03-05T22:32:32Z")

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With all the talk of flushing etc, I found this scientific review, not a long read but changes my outlook now:

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## [Drying and Curing your yield properly](https://ilgmforum.com/t/drying-and-curing-your-yield-properly/9876)

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**Author:** [@latewood](https://ilgmforum.com/u/latewood)\
**Replies:** 0\
**Last updated:** [March 20, 2017, 9:10pm UTC](https://ilgmforum.com/t/drying-and-curing-your-yield-properly/9876 "2017-03-20T21:10:47Z")

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When you have determined that the clear, cloudy, amber % of trichomes is to your liking; It is time to harvest. First, you take all big fan leaves off and cut the secondary stems off, and hang stems on a wire in a cool…

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## [Basic Questions & Answers](https://ilgmforum.com/t/basic-questions-answers/18194)

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**Author:** [@Aquaponic\_Dumme](https://ilgmforum.com/u/Aquaponic_Dumme)\
**Replies:** 3\
**Last updated:** [March 15, 2018, 5:05am UTC](https://ilgmforum.com/t/basic-questions-answers/18194 "2018-03-15T05:05:13Z")

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So I’ve been reading about the heated debate on defoliation lately, sometime with Autos and sometimes with regulars or feminized. As I’ve been answering questions I’ve been recording whats been asked & answered, so here …

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## [Can you explain?](https://ilgmforum.com/t/can-you-explain/21452)

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**Author:** [@ILGM.Zoe](https://ilgmforum.com/u/ILGM.Zoe)\
**Replies:** 0\
**Last updated:** [July 26, 2018, 1:03pm UTC](https://ilgmforum.com/t/can-you-explain/21452 "2018-07-26T13:03:36Z")

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A customer has a question and I hope we can get some opinions on it, thanks Can you explain? – Industrial Hemp is sativa and contains some cannabinoids. It seems that most of the CBD being sold is from industrial hemp…

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## [The Mother of Cannabis Calculators](https://ilgmforum.com/t/the-mother-of-cannabis-calculators/19486)

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**Author:** [@ILGM.Roy](https://ilgmforum.com/u/ILGM.Roy)\
**Replies:** 0\
**Last updated:** [May 11, 2018, 12:43pm UTC](https://ilgmforum.com/t/the-mother-of-cannabis-calculators/19486 "2018-05-11T12:43:19Z")

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Hi all, we just found the best and most complete calculating tool out there for converting units and basically calculating anything cannabis related. Nutrient measurements, edibles %, it’s all there. Use it and have fu…

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## [Dumme's mixed education videos](https://ilgmforum.com/t/dummes-mixed-education-videos/8368)

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**Author:** [@Aquaponic\_Dumme](https://ilgmforum.com/u/Aquaponic_Dumme)\
**Replies:** 6\
**Last updated:** [March 8, 2018, 10:25pm UTC](https://ilgmforum.com/t/dummes-mixed-education-videos/8368 "2018-03-08T22:25:37Z")

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Educational videos, enjoy :slight\_smile:

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## [When you should water your potted plant](https://ilgmforum.com/t/when-you-should-water-your-potted-plant/16372)

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**Author:** [@latewood](https://ilgmforum.com/u/latewood)\
**Replies:** 0\
**Last updated:** [November 21, 2017, 1:15am UTC](https://ilgmforum.com/t/when-you-should-water-your-potted-plant/16372 "2017-11-21T01:15:53Z")

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After the original drench (watering in), we should allow the pot to dry almost completely. Pick up the pot when you drench it. Feel the weight. After a day or 2 or 3…You will realize the pot is very light. It is time to …

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## [Gold Leaf by Robert Bergman](https://ilgmforum.com/t/gold-leaf-by-robert-bergman/11380)

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**Author:** [@latewood](https://ilgmforum.com/u/latewood)\
**Replies:** 0\
**Last updated:** [May 24, 2017, 1:01am UTC](https://ilgmforum.com/t/gold-leaf-by-robert-bergman/11380 "2017-05-24T01:01:40Z")

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Gold Leaf is one of the highest CBD strains available. If making edibles for pain relief; I suggest you invest in Gold Leaf. I have grown this bullet proof strain and it delivers on the back end. Gold Leaf does not numb…

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## [SOG. What is the true definition?](https://ilgmforum.com/t/sog-what-is-the-true-definition/11374)

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**Author:** [@latewood](https://ilgmforum.com/u/latewood)\
**Replies:** 1\
**Last updated:** [May 23, 2017, 11:57pm UTC](https://ilgmforum.com/t/sog-what-is-the-true-definition/11374 "2017-05-23T23:57:28Z")

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SOG = Sea of green. SOG: Take clones from a Mother plant and fill a grow space. All plants being the same genetic age of the Mother plant will produce similarly sized and yielding plants. Sea of green. The canopy is al…

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## [Vacuum Mason Jars](https://ilgmforum.com/t/vacuum-mason-jars/8474)

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**Author:** [@joe1](https://ilgmforum.com/u/joe1)\
**Replies:** 8\
**Last updated:** [January 9, 2017, 7:41am UTC](https://ilgmforum.com/t/vacuum-mason-jars/8474 "2017-01-09T07:41:12Z")

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When my plants are ready to harvest, I will be going on vacation for (2) months and will not have time to properly cure my buds. What is the best way to store them so they don’t get mold. I read freezing them is not poss…

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## [Properties and compounds of medical marijuana](https://ilgmforum.com/t/properties-and-compounds-of-medical-marijuana/8476)

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**Author:** [@Majiktoker](https://ilgmforum.com/u/Majiktoker)\
**Replies:** 0\
**Last updated:** [January 7, 2017, 5:28pm UTC](https://ilgmforum.com/t/properties-and-compounds-of-medical-marijuana/8476 "2017-01-07T17:28:45Z")

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Hope you all enjoy this video it’s very interesting. The guy kinda talks quiet so you have to really pay attention The proof people need to see that medical cannabis really helps

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## [Led vs hps comparisson](https://ilgmforum.com/t/led-vs-hps-comparisson/8421)

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**Author:** [@Majiktoker](https://ilgmforum.com/u/Majiktoker)\
**Replies:** 2\
**Last updated:** [January 3, 2017, 2:05am UTC](https://ilgmforum.com/t/led-vs-hps-comparisson/8421 "2017-01-03T02:05:07Z")

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## [Grow terms and definitions (N-Z)](https://ilgmforum.com/t/grow-terms-and-definitions-n-z/8403)

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**Author:** [@Aquaponic\_Dumme](https://ilgmforum.com/u/Aquaponic_Dumme)\
**Replies:** 1\
**Last updated:** [January 1, 2017, 4:37pm UTC](https://ilgmforum.com/t/grow-terms-and-definitions-n-z/8403 "2017-01-01T16:37:09Z")

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Here’s terms N through Z, that might help the new guys understand what is being said in conversations here. (partial credit goes to “dajosh42069”) For #'s and A-M click this link: Necrosis - Death of parts of the plan…

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## [Cornell University (Videos)](https://ilgmforum.com/t/cornell-university-videos/8364)

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**Author:** [@Aquaponic\_Dumme](https://ilgmforum.com/u/Aquaponic_Dumme)\
**Replies:** 2\
**Last updated:** [December 30, 2016, 3:06pm UTC](https://ilgmforum.com/t/cornell-university-videos/8364 "2016-12-30T15:06:40Z")

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Cornell Plant Breeding and Genetics Seminar Series: http://www.youtube.com/playlist?list=PLs7Y2nGwfz4FTRNTqcwfiqDh\_FVubpxHq

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## [MIT Biology (videos)](https://ilgmforum.com/t/mit-biology-videos/8369)

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**Author:** [@Aquaponic\_Dumme](https://ilgmforum.com/u/Aquaponic_Dumme)\
**Replies:** 0\
**Last updated:** [December 30, 2016, 2:08pm UTC](https://ilgmforum.com/t/mit-biology-videos/8369 "2016-12-30T14:08:51Z")

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MIT 7.01SC Fundamentals of Biology: http://www.youtube.com/playlist?list=PLF83B8D8C87426E44

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## [Aquaponic education (videos)](https://ilgmforum.com/t/aquaponic-education-videos/8367)

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**Author:** [@Aquaponic\_Dumme](https://ilgmforum.com/u/Aquaponic_Dumme)\
**Replies:** 1\
**Last updated:** [December 30, 2016, 1:59pm UTC](https://ilgmforum.com/t/aquaponic-education-videos/8367 "2016-12-30T13:59:00Z")

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Aquaponics: Managing Nutrients: http://www.youtube.com/playlist?list=PLAPahqrfGZZmLPh4vXzRDqWrXP7L9mnWT

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## [Plants by Vance Kite (Videos)](https://ilgmforum.com/t/plants-by-vance-kite-videos/8365)

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**Author:** [@Aquaponic\_Dumme](https://ilgmforum.com/u/Aquaponic_Dumme)\
**Replies:** 0\
**Last updated:** [December 30, 2016, 1:13pm UTC](https://ilgmforum.com/t/plants-by-vance-kite-videos/8365 "2016-12-30T13:13:27Z")

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Plants: http://www.youtube.com/playlist?list=PLbnvwtAGroLs-f0JgwvQB\_PHUW3MC6UtY

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## [Bozeman Science (Videos)](https://ilgmforum.com/t/bozeman-science-videos/8366)

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**Author:** [@Aquaponic\_Dumme](https://ilgmforum.com/u/Aquaponic_Dumme)\
**Replies:** 2\
**Last updated:** [December 30, 2016, 1:19pm UTC](https://ilgmforum.com/t/bozeman-science-videos/8366 "2016-12-30T13:19:03Z")

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AP Biology Labs: http://www.youtube.com/playlist?list=PL0B4CED0AB112B993

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## [UCBerkeley - Biology 1A + 1B (Videos)](https://ilgmforum.com/t/ucberkeley-biology-1a-1b-videos/8363)

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**Author:** [@Aquaponic\_Dumme](https://ilgmforum.com/u/Aquaponic_Dumme)\
**Replies:** 3\
**Last updated:** [December 30, 2016, 12:59pm UTC](https://ilgmforum.com/t/ucberkeley-biology-1a-1b-videos/8363 "2016-12-30T12:59:09Z")

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Biology 1A, 001 - Spring 2015: null - YouTube

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## [EC - PPM Conversion chart](https://ilgmforum.com/t/ec-ppm-conversion-chart/7526)

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**Author:** [@latewood](https://ilgmforum.com/u/latewood)\
**Replies:** 0\
**Last updated:** [October 15, 2016, 7:17pm UTC](https://ilgmforum.com/t/ec-ppm-conversion-chart/7526 "2016-10-15T19:17:54Z")

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Here is a conversion chart and the conversion factors: EC Hanna Eutech Truncheon CF ms/cm 0.5 (x 500) 0.64 (x 640) 0.70 (x 700) x10 0.1 50 ppm 64 ppm 70 ppm …

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## [Stressless transplanting in ProMix BX](https://ilgmforum.com/t/stressless-transplanting-in-promix-bx/6409)

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**Author:** [@latewood](https://ilgmforum.com/u/latewood)\
**Replies:** 1\
**Last updated:** [July 11, 2016, 10:45pm UTC](https://ilgmforum.com/t/stressless-transplanting-in-promix-bx/6409 "2016-07-11T22:45:00Z")

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I wanted to show you all a method of transplanting I find to cause little to no stress on your plants. I am transplanting from a 1 gallon commercial pot into a 5 gallon Cloth pot. Enjoy. 1st thing we do is fill up the…

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## [What New Growers" Need To Know](https://ilgmforum.com/t/what-new-growers-need-to-know/7201)

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**Author:** [@garrigan62](https://ilgmforum.com/u/garrigan62)\
**Replies:** 0\
**Last updated:** [September 15, 2016, 10:33pm UTC](https://ilgmforum.com/t/what-new-growers-need-to-know/7201 "2016-09-15T22:33:32Z")

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There wouldn’t be much flushin going on if the grower would heed to two simple things 1.) Soil And 2. Feeding nutrients Never fed seedlings.! Durning the hole grow they need very little nutrients and I mean very li…

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## [Latewood's Modified GH 3-part formula](https://ilgmforum.com/t/latewoods-modified-gh-3-part-formula/6983)

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**Author:** [@latewood](https://ilgmforum.com/u/latewood)\
**Replies:** 0\
**Last updated:** [August 30, 2016, 2:56am UTC](https://ilgmforum.com/t/latewoods-modified-gh-3-part-formula/6983 "2016-08-30T02:56:33Z")

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This should answer a lot of question’s you have, and It should save you some money in the longrun. Based off the Lucas Method that I modified to yield more. However if you have space limitations, just remove the Grow fr…

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