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dmppb
On course


Registered: 11/11/11
Posts: 1,043
Loc: universe
Last seen: 2 months, 17 days
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hello my dear people , i need your help ;
so , i've been having trouble with my prestos and my all american 921 to get them to finish the cycles , i go for the 10 min vent 2 hours at 16-17 psi ( weights added ) and they run out of water at 1:40 - 1:50 hours , even with 4 quarts jars of water i have a some questions and some theories about what could it be , i appreciate your help very much
-seal ring ( although brand new ) they're not "presto brand" and could be shitty quality and leak in the cycle , but then what about the AA921?
-water getting into the jars , i don't use foil ( i will try tomorrow ) i use SFD , and i could see some water droplets and my grain wetter than expected , maybe the grain is absorbing a bunch of water during the cycle ?
- my big ass burners too hot and evaporating too much water ?, which leads me to the questions :
- how many psi's do you have at the end of the 10 minute cycle ?
- do you vent at high flame ?
- presto users , do you see any droplets leaking regularly or not ?
thanks a bunch
-------------------- ...and when you loose control ; you'll reap the harvest you have sown.
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TedsDead



Registered: 01/03/17
Posts: 4,998
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Re: Cultivation General Discussion [Re: dmppb]
#26531982 - 03/13/20 01:15 AM (3 years, 10 months ago) |
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how much water are you adding initially? I still think its what i initially thought but maybe its your gasket? there shouldnt be any hissing anywhere but the vent. I usually get up to 1-2 psi after a long vent on high temp. more weight during the cycle maybe? give all the details you can. somethings not adding up if its happening in your 921 also. unless it is the venting? do a faux run and turn it off after the vent , let pressure drop and check your water levels
-------------------- weed gets you through times of no money better than money gets you through times of no weed... -the fabulous furry freak bros If you can buy it, you can burn it!
https://www.shroomery.org/forums/showflat.php/Number/25947396#25947396
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dmppb
On course


Registered: 11/11/11
Posts: 1,043
Loc: universe
Last seen: 2 months, 17 days
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Re: Cultivation General Discussion [Re: TedsDead]
#26531992 - 03/13/20 01:32 AM (3 years, 10 months ago) |
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Quote:
TedsDead said: how much water are you adding initially? I still think its what i initially thought but maybe its your gasket? there shouldnt be any hissing anywhere but the vent. I usually get up to 1-2 psi after a long vent on high temp. more weight during the cycle maybe? give all the details you can. somethings not adding up if its happening in your 921 also. unless it is the venting? do a faux run and turn it off after the vent , let pressure drop and check your water levels
3 quarts of water initially , i streched the gaskets more to get them in there with some pressure , which didn't happen before ( not run them like that yet )
i saw some hissing in the handles and noticed a screw where the handles are , it wasn't the tightest it could have been , so i tight it up ( not run them like that either ) , and some more leaking at the middle ,
 
i added extra weight to the new ones ; the old ones were falling apart
i can go to 5-6 psis at the 10 min mark if i vent at high , so i vented on low 1-2 psis , wanted to make sure that was ok
-------------------- ...and when you loose control ; you'll reap the harvest you have sown.
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Firstttimer


Registered: 11/10/18
Posts: 814
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Re: Cultivation General Discussion [Re: dmppb]
#26532035 - 03/13/20 02:56 AM (3 years, 10 months ago) |
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I need to leave home for almost week. My shoeboxes are pinning heavily and some fruits opened veils moment ago, i have picked some day by day, haven't had even first flush done, second and third would be biggest yielding i think but now everything is fucked, like 3 months waiting and now i got this situation. What should I do? Pick mature ones, mist and close shoeboxes with lid? I can't leave mature ones to dry for so long time or store in freezer, and inside foil in open air they'll lose potency and start rotting? Really fam i need quick help atm.
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LadysKnight
Hello Ladies


Registered: 10/09/15
Posts: 1,672
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Re: Cultivation General Discussion [Re: dmppb]
#26532110 - 03/13/20 04:44 AM (3 years, 10 months ago) |
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Quote:
dmppb said: hello my dear people , i need your help ;
so , i've been having trouble with my prestos and my all american 921 to get them to finish the cycles , i go for the 10 min vent 2 hours at 16-17 psi ( weights added ) and they run out of water at 1:40 - 1:50 hours , even with 4 quarts jars of water i have a some questions and some theories about what could it be , i appreciate your help very much
-seal ring ( although brand new ) they're not "presto brand" and could be shitty quality and leak in the cycle , but then what about the AA921?
-water getting into the jars , i don't use foil ( i will try tomorrow ) i use SFD , and i could see some water droplets and my grain wetter than expected , maybe the grain is absorbing a bunch of water during the cycle ?
- my big ass burners too hot and evaporating too much water ?, which leads me to the questions :
- how many psi's do you have at the end of the 10 minute cycle ?
- do you vent at high flame ?
- presto users , do you see any droplets leaking regularly or not ?
thanks a bunch
I use a 921 with 4 quarters taped to the weight. Vent for 10min, PC wbs for 2hrs, all with a quart of water. After the cycle, I can't tell I've lost any water.
Since this is happening to 2 different PCs, it must be the common denominator. Sounds like your heat is too high. You should turn it down to the lowest necessary to maintain, once you achieve the right psi or vent steam.
@Firstttimer - if you don't have a friend that can babysit, I'd pick them all and put it in the fridge.
Edited by LadysKnight (03/13/20 04:50 AM)
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MrBovineJoni
Glip-Glop


Registered: 11/28/19
Posts: 264
Last seen: 14 days, 17 hours
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Re: Cultivation General Discussion [Re: LadysKnight]
#26532157 - 03/13/20 06:04 AM (3 years, 10 months ago) |
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Quote:
LadysKnight said: I use a 921 with 4 quarters taped to the weight. Vent for 10min, PC wbs for 2hrs, all with a quart of water. After the cycle, I can't tell I've lost any water.
Since this is happening to 2 different PCs, it must be the common denominator. Sounds like your heat is too high. You should turn it down to the lowest necessary to maintain, once you achieve the right psi or vent steam.
@dmppb, I concur with LadysKnight's assessment.
After the 10minute venting cycle at high heat there should be no increase in the pressure - it should still be around 0. Once vented the PC should stay on high heat and the weight (for presto 23qt I have taped a few coins to the weight) should be put on until it reaches ~15-16psi.
Then this is the part where I think you are going wrong because then you need to finely tune the heat depending on your hob surface - mine goes to almost lowest possible the gas burner can do to maintain the pressure at 16-17psi but don't let the weight jiggle.
The important part here is that the weight has to barely move and make noise - only a little steam release a few times per minute. That way I can run my Presto for 3 hours and the PC loses less than a quart of water.
I've seen some many PC video guides where people don't use them right. E.g. these examples are pretty bad, it can be tuned to much better efficiency :
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Firstttimer


Registered: 11/10/18
Posts: 814
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Re: Cultivation General Discussion [Re: MrBovineJoni]
#26532371 - 03/13/20 09:45 AM (3 years, 10 months ago) |
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For how long mushrooms will grow after veil breaks and spores drop?
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dmppb
On course


Registered: 11/11/11
Posts: 1,043
Loc: universe
Last seen: 2 months, 17 days
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Re: Cultivation General Discussion [Re: MrBovineJoni]
#26532372 - 03/13/20 09:46 AM (3 years, 10 months ago) |
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thank you guys ;
@ LadysKnight you tape them to the sides of the metal circle ? 4 quarters is 22 grams , i don't think i'm putting enough extra weight , i will adjust ; that sound like the cycle i wanna do , damn it
@MrBovineJoni , ok yeah that't not what's happening over here , i get psi's almost immediately when i start venting , and the weight is just going crazy letting steam out once it's at 16 kinda like that second video , maybe more , and when i turn the heat down the pressure goes down , i'm thinking i should get my burner closer to the PC so i can set it to very low fire and still maintain pressure , or just fucking change them , loved the fact that they were so fast to work with , but maybe too fast !
ok so now i'm aiming for the weight to not move so violently while holding the 16 psi's , this has helped,
thanks again my dudes
-------------------- ...and when you loose control ; you'll reap the harvest you have sown.
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LadysKnight
Hello Ladies


Registered: 10/09/15
Posts: 1,672
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Re: Cultivation General Discussion [Re: dmppb]
#26532422 - 03/13/20 10:10 AM (3 years, 10 months ago) |
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Quote:
dmppb said: thank you guys ;
@ LadysKnight you tape them to the sides of the metal circle ? 4 quarters is 22 grams , i don't think i'm putting enough extra weight , i will adjust ; that sound like the cycle i wanna do , damn it
@MrBovineJoni , ok yeah that't not what's happening over here , i get psi's almost immediately when i start venting , and the weight is just going crazy letting steam out once it's at 16 kinda like that second video , maybe more , and when i turn the heat down the pressure goes down , i'm thinking i should get my burner closer to the PC so i can set it to very low fire and still maintain pressure , or just fucking change them , loved the fact that they were so fast to work with , but maybe too fast !
ok so now i'm aiming for the weight to not move so violently while holding the 16 psi's , this has helped,
thanks again my dudes
Yes, I do. Might rattle for a couple seconds every few minutes at 17psi
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dmppb
On course


Registered: 11/11/11
Posts: 1,043
Loc: universe
Last seen: 2 months, 17 days
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Re: Cultivation General Discussion [Re: LadysKnight]
#26532429 - 03/13/20 10:13 AM (3 years, 10 months ago) |
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Quote:
LadysKnight said:
Quote:
dmppb said: thank you guys ;
@ LadysKnight you tape them to the sides of the metal circle ? 4 quarters is 22 grams , i don't think i'm putting enough extra weight , i will adjust ; that sound like the cycle i wanna do , damn it
@MrBovineJoni , ok yeah that't not what's happening over here , i get psi's almost immediately when i start venting , and the weight is just going crazy letting steam out once it's at 16 kinda like that second video , maybe more , and when i turn the heat down the pressure goes down , i'm thinking i should get my burner closer to the PC so i can set it to very low fire and still maintain pressure , or just fucking change them , loved the fact that they were so fast to work with , but maybe too fast !
ok so now i'm aiming for the weight to not move so violently while holding the 16 psi's , this has helped,
thanks again my dudes
Yes, I do. Might rattle for a couple seconds every few minutes at 17psi
not to mention , a very quiet cycle too 
you use a regular stove burner ?
-------------------- ...and when you loose control ; you'll reap the harvest you have sown.
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LadysKnight
Hello Ladies


Registered: 10/09/15
Posts: 1,672
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Re: Cultivation General Discussion [Re: dmppb]
#26532444 - 03/13/20 10:17 AM (3 years, 10 months ago) |
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Yep, gas stove on 3 (of 10) setting holds the psi for me.
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Edmunter
Mr



Registered: 05/01/13
Posts: 5,699
Last seen: 19 days, 8 hours
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Re: Cultivation General Discussion [Re: LadysKnight]
#26532449 - 03/13/20 10:20 AM (3 years, 10 months ago) |
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Quote:
LadysKnight said: Yep, gas stove on 3 (of 10) setting holds the psi for me.
The water comes up -3/4 mark on my jars. How about yours?
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MrBovineJoni
Glip-Glop


Registered: 11/28/19
Posts: 264
Last seen: 14 days, 17 hours
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Re: Cultivation General Discussion [Re: dmppb]
#26532453 - 03/13/20 10:23 AM (3 years, 10 months ago) |
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Quote:
dmppb said: @MrBovineJoni , ok yeah that't not what's happening over here , i get psi's almost immediately
Hmm, that seems very wrong. During venting phase the pressure sometimes can go up to 1psi if the water is boiling and turning into steam very quickly but if the venting is working as intended there should be no pressure build up past that before the weight is placed on the vent.
After putting the weight down the pressure can increase rather quickly (but it still takes me about 10-15minutes to reach 16psi). Then if you don't have any other leaks in the PC you should find the hob burner sweet spot where the pressure stays within 16-17psi and doesn't jiggle more than a few times per minute. Constant whistling/jiggling is not what you want.
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LadysKnight
Hello Ladies


Registered: 10/09/15
Posts: 1,672
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Re: Cultivation General Discussion [Re: Edmunter]
#26532473 - 03/13/20 10:29 AM (3 years, 10 months ago) |
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Quote:
Edmunter said:
Quote:
LadysKnight said: Yep, gas stove on 3 (of 10) setting holds the psi for me.
The water comes up -3/4 mark on my jars. How about yours?
I'm sure I do this wrong, but I use stainless steel jar rings and then trevet. I use 1 quart of water, which barely touches the bottom of my jars/plates.
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dmppb
On course


Registered: 11/11/11
Posts: 1,043
Loc: universe
Last seen: 2 months, 17 days
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Re: Cultivation General Discussion [Re: MrBovineJoni]
#26532481 - 03/13/20 10:34 AM (3 years, 10 months ago) |
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Quote:
MrBovineJoni said:
Quote:
dmppb said: @MrBovineJoni , ok yeah that't not what's happening over here , i get psi's almost immediately
Hmm, that seems very wrong. During venting phase the pressure sometimes can go up to 1psi if the water is boiling and turning into steam very quickly but if the venting is working as intended there should be no pressure build up past that before the weight is placed on the vent.
After putting the weight down the pressure can increase rather quickly (but it still takes me about 10-15minutes to reach 16psi). Then if you don't have any other leaks in the PC you should find the hob burner sweet spot where the pressure stays within 16-17psi and doesn't jiggle more than a few times per minute. Constant whistling/jiggling is not what you want.
yeap , i think all that jiggling is my problem , derived from the big burners that are not close enough to the PC's bottom surface therefore not finding the sweet spot on the flame , having too high to maintain and letting all my water out
bod mentions : "once you've vented for 10 minutes you may notice that you're at a few PSI on the gauge. That's no problem. "
but yeah , should't be that much i guess
i feel like my problem is letting too much steam go out through out the entire cycle ,
-------------------- ...and when you loose control ; you'll reap the harvest you have sown.
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dmppb
On course


Registered: 11/11/11
Posts: 1,043
Loc: universe
Last seen: 2 months, 17 days
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Re: Cultivation General Discussion [Re: LadysKnight]
#26532484 - 03/13/20 10:35 AM (3 years, 10 months ago) |
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Quote:
LadysKnight said:
Quote:
Edmunter said:
Quote:
LadysKnight said: Yep, gas stove on 3 (of 10) setting holds the psi for me.
The water comes up -3/4 mark on my jars. How about yours?
I'm sure I do this wrong, but I use stainless steel jar rings and then trevet. I use 1 quart of water, which barely touches the bottom of my jars/plates.
only 1 quart of water for the entire cycle ? damn , no water escaping at all
-------------------- ...and when you loose control ; you'll reap the harvest you have sown.
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LadysKnight
Hello Ladies


Registered: 10/09/15
Posts: 1,672
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Re: Cultivation General Discussion [Re: dmppb]
#26532492 - 03/13/20 10:39 AM (3 years, 10 months ago) |
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Quote:
dmppb said:
Quote:
LadysKnight said:
Quote:
Edmunter said:
Quote:
LadysKnight said: Yep, gas stove on 3 (of 10) setting holds the psi for me.
The water comes up -3/4 mark on my jars. How about yours?
I'm sure I do this wrong, but I use stainless steel jar rings and then trevet. I use 1 quart of water, which barely touches the bottom of my jars/plates.
only 1 quart of water for the entire cycle ? damn , no water escaping at all
Yep, have done it this way for years without a noticeable loss. Here again, I'm sure this is likely foolish, but works for me.
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Edmunter
Mr



Registered: 05/01/13
Posts: 5,699
Last seen: 19 days, 8 hours
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Re: Cultivation General Discussion [Re: LadysKnight]
#26532658 - 03/13/20 12:42 PM (3 years, 10 months ago) |
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Wow, I fill it 3/4 up to the bottom jars.
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LadysKnight
Hello Ladies


Registered: 10/09/15
Posts: 1,672
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Re: Cultivation General Discussion [Re: Edmunter]
#26532673 - 03/13/20 12:48 PM (3 years, 10 months ago) |
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I suppose mine will come to vent temps faster. Yours will reach target psi faster. Probably a wash?
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dmppb
On course


Registered: 11/11/11
Posts: 1,043
Loc: universe
Last seen: 2 months, 17 days
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Re: Cultivation General Discussion [Re: LadysKnight]
#26532685 - 03/13/20 01:00 PM (3 years, 10 months ago) |
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Quote:
LadysKnight said: I suppose mine will come to vent temps faster. Yours will reach target psi faster. Probably a wash?
like , the spare part ? or to clean it ?
-------------------- ...and when you loose control ; you'll reap the harvest you have sown.
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