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OfflineGrimley
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Risky to add more BRF? Coir/verm substrate...
    #21733103 - 05/28/15 04:05 PM (8 years, 8 months ago)

Just out of curiosity; I'm doing couple of mono's with coir/verm mix and brf cakes as spawn.  Say if I sterilized some straight brf and add it to the substrate, would that be a contamination risk or an extra nutrition boost?
Or...
Would adding straight brf to the coir/verm mix and pasteurize the substrate as normal work?
I have no clue on how much more nutritions brf contains than coir, but IME I would bet brf holds much more...?!
I messed up the recipe last time I made  substrate for the brf jars, and  used 2:2:1 ratio instead of 2:1:1 as I always done it (dunno why the hell I did it, but I did). Cakes colonized slow but all good in the end, they were super duper dry, but I found out that was a bonus when I used my grinder to pulverize the cakes.  I then spawned  to coir/verm. 1:4 ratio, and the results were great, fast colonization and yields as big as my 1:2 ratio I normally do. Do you think my fuck up on the brf ratio in jars helped the subtrate to perform as it was a 1:2 ratio? Or just a MS varity?


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Invisiblemushmagic
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Re: Risky to add more BRF? Coir/verm substrate... [Re: Grimley]
    #21733144 - 05/28/15 04:13 PM (8 years, 8 months ago)

No dont add any more BRF to it. Also you dont want to sterilize a bulk sub unless you plan on spawning it in a SAB or infront of a flowhood.


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OfflineGrimley
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Re: Risky to add more BRF? Coir/verm substrate... [Re: mushmagic]
    #21733187 - 05/28/15 04:24 PM (8 years, 8 months ago)

Nope I don't wanna sterilize the substrate, I was thinking of sterilize the brf separate and then add it. But as im writing now I see were my thinking is wrong,lol... The sterilized brf needs to be colonized to stand contam...
Do spawn ratio has anything to do with both colonization time and yield? Or do coir preform in yield as good as any ratio as long as it is 100% colonized?


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Invisiblemushmagic
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Re: Risky to add more BRF? Coir/verm substrate... [Re: Grimley]
    #21733484 - 05/28/15 05:28 PM (8 years, 8 months ago)

So are you wanting to add a sterilized and UNCOLONIZED BRF cake to the bulk or will that BRF cake be colonized as well? Maybe I just misunderstood what you were implying.


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OfflineGrimley
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Re: Risky to add more BRF? Coir/verm substrate... [Re: mushmagic]
    #21734951 - 05/28/15 11:31 PM (8 years, 7 months ago)

Yeah I was thinking of adding uncolonized brf to the substrate when mixing it all together. But I remember reading that coir is hard to contaminate, and brf not, so I understand now that it would probably contaminate if using uncolonized brf.

Would 1:2 ratio get better results in yield then 1:4, or is it just a colonization time thing?


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OfflineAchillita
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Re: Risky to add more BRF? Coir/verm substrate... [Re: Grimley]
    #21735348 - 05/29/15 01:49 AM (8 years, 7 months ago)

It would almost definitely contaminated adding a fresh steralized brf cake to your bulk sub. It's really a colonization time thing, and less likely to contaminate at higher ratios.


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OfflineGrimley
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Re: Risky to add more BRF? Coir/verm substrate... [Re: Achillita]
    #21735397 - 05/29/15 02:04 AM (8 years, 7 months ago)

Thanks. I just trashed the idea of "adding more BRF".
Maybe if I use 1:1 ratio it will buy me some extra time to get an additional flush before contamination steps in. Or is it overkill to use 1:1 or 2:1 spawn ratio?


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OfflineAchillita
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Re: Risky to add more BRF? Coir/verm substrate... [Re: Grimley]
    #21735413 - 05/29/15 02:12 AM (8 years, 7 months ago)

It'll work, but will only buy you time to prevent contamination when it's colonizing the bulk sub. After it's colonized it eventually contaminates because the mycelium gets old.

IMO, yes it's overkill to use such high spawn ratio, especially to coir or any properly pasteurized substrate.


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OfflineGrimley
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Re: Risky to add more BRF? Coir/verm substrate... [Re: Achillita]
    #21735446 - 05/29/15 02:34 AM (8 years, 7 months ago)

Yeah, many thanks for fast answer. I'll stick with 1:2 ratio, seems to be golden, and working good for me, and I can't really do any more yield vise. Got to step up soon, and drop the MS growth for more predictable yields, seems to be the answer...


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