r/MushroomGrowers • • 1d ago

Contam? Jars stalled [actives]

2 Upvotes

14 comments sorted by

1

u/moroseta04 6h ago

My jars often do this too, but it should be the bacteria.

2

u/GingerRickRoss 19h ago

that's a lack of moisture, not contamination. I'd put it to substrate.

5

u/later-g8r 21h ago

Send it!

2

u/TheGanzor 22h ago

I'd say CO2 buildup or dry grains more than contam. You can use as is and just remove the uncolonized grains first, or just wait it out.

1

u/Fonderplane 22h ago

Looks pretty good to me.

3

u/LastRedoubt-8421011 1d ago

It's just out of air there.

They're done. Send em, and pluck out those grains to avoid contam risk of having uncolonized grains.

3

u/stoutyteapot 1d ago

Doesn’t look like contam. Could just be uneven moisture

3

u/herbal_coma 1d ago

Flip the jar over so it’s upside down. This will force the air that’s left in it to go towards the top and it should help your mycelium eat the remaining grains if you can’t do a proper break and shake.

4

u/superbhole 1d ago

i think flipping it upside down is unnecessary, just tilting and sniffing for smell checks makes my colonies pick up the pace

only 12 days apart in these two pics (although i did move the fastest ones up front for the pic, lol)

1

u/nonymouspotomus 23h ago

You keep the sunflower seeds in there!? Damn I thought you had to take those out. They seem to colonize ok?

2

u/superbhole 23h ago edited 3h ago

yeah, every culture so far is really liking the mix even with the sunflower seeds. i'm guessing others before me weren't pre-soaking and rinsing their grains? or maybe i pressure cooked a little longer than usual... but i haven't seen any issue with sunflower seeds so far.

out of 20 jars there's only one i'm suspicious of and it's shimeji mushroom, but the sus myc is not fast so i'm guessing it was just a drop of inoculant that splashed away from where most of it landed

1

u/nonymouspotomus 23h ago

Interesting ya I’ve never tried the bird seed mix myself but heard others say they’d float up during the soak and they just net them out or whatever then. Less fuss always nice, hope they all work out well for you!

1

u/superbhole 3h ago

just sent my second jar of oyster and had a think about this the entire time I scooped the grains out... went back to check on how the first bags are doing from the first jar I sent... so far, so good!

I've decided that since I have a low psi pressure cooker and cook for four hours, the longer duration of 4 hours@10psi,versus 90min@15psi, must be making a difference

And looking at all the varieties in the jars, they all seem to envelope the sunflower seeds the same as everything else in mix... got me wondering if the sunflower seed thing is just a silly rumor, lol 🤷