# Is anyone using Silica

**URL:** <https://ilgmforum.com/t/is-anyone-using-silica/96949>\
**Category:** Autoflowers\
**Created:** [January 9, 2023, 8:17pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949 "2023-01-09T20:17:34Z")\
**Posts on this page:** 20\
**Page:** 2

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**Author:** ![Audiofreak](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/audiofreak/32/696429_2.png) [@Audiofreak](https://ilgmforum.com/u/Audiofreak)\
**Post date:** [January 10, 2023, 6:01pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/21 "2023-01-10T18:01:08Z")

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What kind of feeding schedule is used? Frequency, amount per gal., when start/stop, with neuts or water cycle??? Im in roots organic soil w/ jacks 7 gal pots.

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**Author:** ![Sydious](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/sydious/32/606357_2.png) [@Sydious](https://ilgmforum.com/u/Sydious)\
**Post date:** [January 10, 2023, 7:07pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/22 "2023-01-10T19:07:29Z")

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I use Si every feeding. Like a couple others said already, make sure that is the first thing you mix. I had been using General Hydroponics Armor Silica however im almost out and per @Fieldofdreams direction, i just purchased the TPS Gold silica…  
My last several harvests, i was having significant trouble with fat heavy coalas leaning/slumping over (and in a few cases cracking branches and stems) so i recently upped my Si dosage from 2ml/gal to 4ml/gal…

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**Author:** ![Audiofreak](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/audiofreak/32/696429_2.png) [@Audiofreak](https://ilgmforum.com/u/Audiofreak)\
**Post date:** [January 10, 2023, 7:11pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/23 "2023-01-10T19:11:21Z")

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I get that! LOL

 ![20221107_115714](https://global.discourse-cdn.com/growingmarijuana/original/4X/b/8/5/b853f2b09b87632c161e5a185bc687017d942da5.jpeg)

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**Author:** ![Sydious](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/sydious/32/606357_2.png) [@Sydious](https://ilgmforum.com/u/Sydious)\
**Post date:** [January 10, 2023, 7:13pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/24 "2023-01-10T19:13:16Z")

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😄 very nice… not an awful problem to have but we still want to get it under control​:person\_shrugging:

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**Author:** ![Audiofreak](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/audiofreak/32/696429_2.png) [@Audiofreak](https://ilgmforum.com/u/Audiofreak)\
**Post date:** [January 10, 2023, 7:15pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/25 "2023-01-10T19:15:13Z")

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Im putting a 2nd net next grow.

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**Author:** ![Outlaw](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/outlaw/32/726558_2.png) [@Outlaw](https://ilgmforum.com/u/Outlaw)\
**Post date:** [January 10, 2023, 7:27pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/26 "2023-01-10T19:27:31Z")

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I tried to order that for my first grow, but Amazon wouldn’t let me. Let me buy botanicare calmag but not silica. Went with GH Armor Si. My guess is any silica from one of the popular nute brands is about the same.

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**Author:** ![zeuspaul](https://avatars.discourse-cdn.com/v4/letter/z/eada6e/32.png) [@zeuspaul](https://ilgmforum.com/u/zeuspaul)\
**Post date:** [January 10, 2023, 11:13pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/28 "2023-01-10T23:13:58Z")

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I mix diatomaceous earth in my mixes which has available silica.

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**Author:** ![Myfriendis410](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/myfriendis410/32/556067_2.png) [@Myfriendis410](https://ilgmforum.com/u/Myfriendis410)\
**Post date:** [January 11, 2023, 12:00am UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/29 "2023-01-11T00:00:52Z")

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> [@Audiofreak](#):
>
> What does the silica do

Trichome stalks are composed of silica: not enough and trichome production suffers.

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**Author:** ![Tom6377](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/tom6377/32/953277_2.png) [@Tom6377](https://ilgmforum.com/u/Tom6377)\
**Post date:** [January 11, 2023, 5:05pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/30 "2023-01-11T17:05:10Z")

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In this order?  
1- start with silica  
2- and base nutrients  
3- and cal-mag  
4- add any other additives last  
5- finish by pHing your solution

Somewhere i heard that after mixing the silica in water you should wait about 10 minutes before adding all the rest. Is this what do you do?

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**Author:** ![Sydious](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/sydious/32/606357_2.png) [@Sydious](https://ilgmforum.com/u/Sydious)\
**Post date:** [January 11, 2023, 6:58pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/31 "2023-01-11T18:58:30Z")

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After ph’ing add your microbes… concentrated acids or bases (before dilution in your medium) have a tendency to kill your living microbes.

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**Author:** ![Fieldofdreams](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/fieldofdreams/32/688813_2.png) [@Fieldofdreams](https://ilgmforum.com/u/Fieldofdreams)\
**Post date:** [January 12, 2023, 12:24am UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/32 "2023-01-12T00:24:05Z")

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Good point Sir!!

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**Author:** ![Graysin](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/graysin/32/546358_2.png) [@Graysin](https://ilgmforum.com/u/Graysin)\
**Post date:** [January 12, 2023, 6:00am UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/33 "2023-01-12T06:00:01Z")

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> [@anon72256435](#):
>
> wollastonite

Man, I have wollastonite for days. I really need to get into soil building. I could make a serious supersoil with all the ceramics materials at my fingertips. Dolomitic lime? You betcha. Magnesium sulfate? Absolutely. Bone ash? Sure thing. Plain old raw powdered silica? Literal tons. 🧐

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**Author:** ![SandyC](https://avatars.discourse-cdn.com/v4/letter/s/cdc98d/32.png) [@SandyC](https://ilgmforum.com/u/SandyC)\
**Post date:** [January 12, 2023, 2:14pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/35 "2023-01-12T14:14:37Z")

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I’m using FFOF with HF mix. If I incorporate silica from the very beginning, would it just be water and silica (and pHing) for the first weeks? The consensus seems to be that adding nutes to FFOF is not needed early on.

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**Author:** ![Tom6377](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/tom6377/32/953277_2.png) [@Tom6377](https://ilgmforum.com/u/Tom6377)\
**Post date:** [January 12, 2023, 2:22pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/36 "2023-01-12T14:22:06Z")

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Im pretty sure ocean forest is supplied with nuts to supply your plants for about 30 days. i would go with the silica mixed first then ph your water then add microbes to to water. i would wait about 30 days then start feeding nuts

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<div class="post-metadata">

**Author:** ![Sydious](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/sydious/32/606357_2.png) [@Sydious](https://ilgmforum.com/u/Sydious)\
**Post date:** [January 12, 2023, 3:47pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/38 "2023-01-12T15:47:02Z")

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I use the same soils. The mix till transplant, then straight FFOF in thier forever homes. I don’t personally use Si until i start nutes, but I can’t think of a reason it will have a negative affect 🤔

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<div class="post-metadata">

**Author:** ![Tom6377](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/tom6377/32/953277_2.png) [@Tom6377](https://ilgmforum.com/u/Tom6377)\
**Post date:** [January 13, 2023, 3:32am UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/39 "2023-01-13T03:32:26Z")

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Started feeding tps brand silica today. We will see 🧐

 ![20230112_220934](https://global.discourse-cdn.com/growingmarijuana/original/4X/c/a/d/cad79037f6d2ec6540fff48ea443780d168874f3.jpeg)  
 ![20230112_220914](https://global.discourse-cdn.com/growingmarijuana/original/4X/2/2/0/220193bf55f59e1fa90e0e74a5f2dab87ab65fb5.jpeg)

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<div class="post-metadata">

**Author:** ![LandShark](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/landshark/32/257285_2.png) [@LandShark](https://ilgmforum.com/u/LandShark)\
**Post date:** [January 13, 2023, 8:34pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/40 "2023-01-13T20:34:00Z")

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No,  
1- silica  
2- cal mag  
Numbers 1 & 2 need to always go in this order, this is science based not personal feels  
3- base nutes  
4- other additives depending on what type. chem/mineral yes, if tribus, fishsh!t and the like, add after you adjust your pH as long as the additive doesn’t affect the pH

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<div class="post-metadata">

**Author:** ![Tom6377](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/tom6377/32/953277_2.png) [@Tom6377](https://ilgmforum.com/u/Tom6377)\
**Post date:** [January 13, 2023, 8:43pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/41 "2023-01-13T20:43:09Z")

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Thanks for the heads up on that 👍

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<div class="post-metadata">

**Author:** ![Tom6377](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/tom6377/32/953277_2.png) [@Tom6377](https://ilgmforum.com/u/Tom6377)\
**Post date:** [January 13, 2023, 8:52pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/42 "2023-01-13T20:52:19Z")

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I use fish sh!t does that change ph much if adding after pHing?

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**Author:** ![Tom6377](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/tom6377/32/953277_2.png) [@Tom6377](https://ilgmforum.com/u/Tom6377)\
**Post date:** [January 13, 2023, 8:54pm UTC](https://ilgmforum.com/t/is-anyone-using-silica/96949/43 "2023-01-13T20:54:18Z")

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I heard if you add fish sh!t before pHing it kills microbes

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