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Shop: MagicBag.co Certified Organic All-In-One Grow Bags   North Spore Bulk Substrate, Injection Grain Bag

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OfflineWiggly
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Jar Holes
    #5981068 - 08/20/06 09:35 AM (17 years, 7 months ago)

I've seen teks with 4 holes in the jar, some with 2. Which is optimal? I know there must be a great risk with 4 for cotams but not much... Also, some guys put tape AND foil on the holes. Some put just foil for better FAE during colonization (even though very little is required if any at all) with the lids loose. What should I do?? Oh and no matter what amount of holes, only 1cc per jar correct?


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Invisiblewise_gardener
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Re: Jar Holes [Re: Wiggly]
    #5981077 - 08/20/06 09:42 AM (17 years, 7 months ago)

For the PF Tek, 4 hole is optimal because you can't shake your substrate during colonization but 2 will be fine too. For tape and foil it depend of which tek you use. If you use the PF Tek, only foil over hole can do, as you have a dry vermiculite contams barrier, but I prefer to use 3m breathing tape over hole to be safe. Air exchange is important for fast colonization so if you cover your hole with non-breathing tape, loose your jar lid a little bit and yes, 1cc per jar is ok

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Offlineenesi
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Re: Jar Holes [Re: wise_gardener]
    #5981144 - 08/20/06 10:36 AM (17 years, 7 months ago)

i use two layers of foil, lift one and shoot through the bottom one, then replace the top one loosely.

Once you see some growth, you can take the foil off completely if you want. the dry layer will keep out any contams. gotta let em breath!


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OfflineMustardMan
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Re: Jar Holes [Re: enesi]
    #5981146 - 08/20/06 10:39 AM (17 years, 7 months ago)

PF Tek - Use 5 holes if possible. Also use up to 3cc's per jar if you have enough to go around, it will only speed up your colonization times.

With Grains, you only need 1 hole because you can shake the jars.


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OfflineRogerRabbitM
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Re: Jar Holes [Re: MustardMan]
    #5981206 - 08/20/06 11:16 AM (17 years, 7 months ago)

The holes are not just for inoculation. The holes are for gas exchange which is extremely important. With quart jars of grains, three 1/16" holes should be considered minimum, when used with a synthetic filter disk. If you're going to stuff the hole with polyfill, a 1/2" hole is recommended.
RR


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OfflineWiggly
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Re: Jar Holes [Re: RogerRabbit]
    #5981243 - 08/20/06 11:35 AM (17 years, 7 months ago)

Thanks for all the advice again. Sorry I been asking so many pre answered questions lately, but the time is coming and I'm trying to get down to the nitty gritty details! Can't be to safe! -kris


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