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OldManRiver
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Bod's unmodified tub slow to colonize on top
#26697311 - 05/26/20 03:36 PM (3 years, 7 months ago) |
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Hi. Ten days ago i spawned a bag of about 3 lbs of brown rice APE spawn to a 32 gal tub. I used one brick of coir, pastuerized using Bod's cooler tek (may not have the name right. I broke it up and mixed, and put a 1/2 inch lay of coir on top. Its been on a heating mat since, set at 85*, tub temp is about 78*. Outside room temp is about 71*. The mix colonized pretty quickly, and is almost 100%. The myc has peeked through in four areas, but is not fulling spreading across the top as I have seen in other grows, or as it did subsurface. No sign of contamination. There is a small pocket, about 6" long by 1.5" high along one end which hasn't colonized yet. There is condensation on the sides, and scattered water droplets on the surface. I have not misted or fanned, as there are standing droplets.
Should I be concerned? Or just grow up and be patient? Thanks for your help.
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A.k.a
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Re: Bod's unmodified tub slow to colonize on top [Re: OldManRiver]
#26697349 - 05/26/20 03:52 PM (3 years, 7 months ago) |
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Sounds normal.
Get rid of the heating mat that’s gonna ruin your grow. Could be why it’s slowed down.
If you have it set at 85 then it’s cooking the bottom of your tub. Room temp is perfect. During winter I fruited my tubs in the low 60s no problem.
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LAGM2020     
Edited by A.k.a (05/26/20 03:54 PM)
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Mad Hatter
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Re: Bod's unmodified tub slow to colonize on top [Re: OldManRiver]
#26697374 - 05/26/20 04:02 PM (3 years, 7 months ago) |
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Id say ditch the heating mat they tend to cause issues.
Sounds like the droplets could be the issue which is probably caused by the heating pad (atleast to some extent) since condensation is caused by a temperature differential.
You could have a hidden contamination but i wouldnt say to toss it just ditch the pad wait and get some more grains started just in case.
Also 71° is fine for colonization and fruiting. Thats my room temp and i just had 4 PE tubs finish colonizing in 5-6days. Also the temp of the substrate is what matters. Your tub may be at 78° but the core may be too hot (not sure how you measured temp). Trying to get the substrate temp absolutely perfect can lead to disaster if you get it too hot.
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bodhisatta 
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Re: Bod's unmodified tub slow to colonize on top [Re: OldManRiver]
#26697467 - 05/26/20 04:50 PM (3 years, 7 months ago) |
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Well get rid of known problems first. Like the heating pad
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OldManRiver
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Re: Bod's unmodified tub slow to colonize on top [Re: bodhisatta]
#26697738 - 05/26/20 06:57 PM (3 years, 7 months ago) |
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Thanks, all. Heating pad turned down. Here are some pics for further data. This was spawned to the tub nine days ago.

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Gan
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Re: Bod's unmodified tub slow to colonize on top [Re: A.k.a]
#26697785 - 05/26/20 07:14 PM (3 years, 7 months ago) |
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Quote:
A.k.a said: During winter I fruited my tubs in the low 60s no problem.
How much of a difference do you notice in colonization and harvest times in the low 60's? I moved into a new house last winter so I wasn't growing during that time. But my new place sat around 63-65 all last winter and I'm wondering how it'll affect my colonization rate/times this coming winter.
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OldManRiver
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Re: Bod's unmodified tub slow to colonize on top [Re: Gan]
#26697794 - 05/26/20 07:20 PM (3 years, 7 months ago) |
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Quote:
Gan said:
Quote:
A.k.a said: During winter I fruited my tubs in the low 60s no problem.
How much of a difference do you notice in colonization and harvest times in the low 60's? I moved into a new house last winter so I wasn't growing during that time. But my new place sat around 63-65 all last winter and I'm wondering how it'll affect my colonization rate/times this coming winter.
I went to the seedling mat for that reason. I started this run in my GF's house, and she keeps it pretty cool. I used this: seedling mat.
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Gan
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Re: Bod's unmodified tub slow to colonize on top [Re: OldManRiver]
#26697811 - 05/26/20 07:26 PM (3 years, 7 months ago) |
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Nah I don't need a heating mat. Like A.k.a. was saying, that often time cooks the bottom of the tub. I was just wondering how much of a difference it will make in colonization times. It'll still colonize and fruit at those temperatures... It just may be slower than in the mid 70's
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Tripglass420
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Re: Bod's unmodified tub slow to colonize on top [Re: Gan]
#26697856 - 05/26/20 07:42 PM (3 years, 7 months ago) |
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https://www.erowid.org/plants/mushrooms/mushrooms_cultivation9.shtml
There is a good chart for temps during different growth periods. I use a heating pad with no issues but ONLY for colonization times. Don't use it during fruiting times unless your temp is lower than 65° and even then make sure you don't go above 80°....remember your recreating outdoor conditions and some varieties may need hotter or colder temps. Cubes may be cubes but that doesn't mean a Brazilian and a Thai strain have the same growth parameters.
For example cubes may grow just fine in Florida even if the weather is 95° but when cultivation occurs indoors raising a temp that high is a surefire way to get contam.
So if your spores are from a verified place then I would start by mimicking the environment of where the variety was found and go from there.
As far as seeing others operations having myc poke thru completely versus poking thru in patches I think sometimes people wait a few days after spawning before adding the casing layer or sometimes "patching" the areas that do pop thru can allow for a more even colonization. Personally I'd recommend using verm or just another type of casing layer than the sub used to spawn into.
Regardlees of anything definitely just be patient and keep an eye out for trich. I've recently switched to a blacklight for lighting and I'll be damned if these things LOVE the uv. I mean they have doubled in size AND girth. Not to mention 2 varieties went from hollow stems to filled in stems after the lighting switch. There's 1000 ways to skin a cat just focus on creating an environment which works best for you and your type of fungi. Apes are known for having some funky growth so keep up the good work and good luck on the harvest!
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Caps McGee
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Re: Bod's unmodified tub slow to colonize on top [Re: Tripglass420]
#26697893 - 05/26/20 07:57 PM (3 years, 7 months ago) |
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Looks like your top layer is just a little too thick in some areas... go a bit lighter and be sure to even both the sub surface, and the top layer separately... this will aid more even colonization AND pinset development
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Gan
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Re: Bod's unmodified tub slow to colonize on top [Re: Caps McGee]
#26697901 - 05/26/20 08:02 PM (3 years, 7 months ago) |
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Idk what you use to level your tubs OP, but I bought a little concrete float from Lowe's and it's great for leveling subs.
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Mad Hatter
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Re: Bod's unmodified tub slow to colonize on top [Re: Gan]
#26697945 - 05/26/20 08:23 PM (3 years, 7 months ago) |
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Hard to say exact difference in colonization time as speed will vary strain to strain but will be a bit slower. I see the difference being negligible to be honest an extra day or two isnt much in this hobby. Colder temps actually produce denser, some say higher quality fruits and there arnt as many worries about contams like thermophillic fungi if a swing in your environment for one reason or another.
Imho cubes for me are set and forget with monotubs. As long as your spawn is clean and sub is pasteurized properly you shouldnt have many worries once you spawn.
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OldManRiver
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Re: Bod's unmodified tub slow to colonize on top [Re: Mad Hatter]
#26698051 - 05/26/20 09:32 PM (3 years, 7 months ago) |
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Thank you all so much. This is my first tub, indeed first run of cubes in over forty years. I'm learning some important details (the precision desired for leveling, for one). I appreciate you all as a resource.
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A.k.a
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Re: Bod's unmodified tub slow to colonize on top [Re: OldManRiver]
#26698163 - 05/26/20 10:31 PM (3 years, 7 months ago) |
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You know with tubs there really wasn’t much difference. A day or two at most.
The jars however took forever.
I ended up putting my spawn jars in a box and pointing a space heater towards it cuz it was taking too long in the cold.
I did have much denser shrooms though. Last month some of my tubs fruited and it got up to 104 a couple days in the room.
Some of the fattest hollowest stems I’ve ever seen.
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LAGM2020     
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OldManRiver
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Re: Bod's unmodified tub slow to colonize on top [Re: OldManRiver]
#26727519 - 06/07/20 08:31 PM (3 years, 7 months ago) |
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Ultimately colonized just fine.
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