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Home Brew Forums > Home Brewing Beer > Lambic & Wild Brewing > No activity seen from Roeselare pitch
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Old 11-10-2014, 08:15 PM   #11
Calder
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Originally Posted by Wingston75 View Post
I'm currently experiencing this but with roeselare in primary. It's been 30+ hours since I pitched and no sign of airlock activity or krausen. Smack pack was dated 3mth ago so not ancient - I've used older fine - but didn't swellmuch on brew day.

Am I being hasty after such a short space of time? And planning for a non-starter, is there a particular belgian strain to use that would be best suited to get it underway?
Actually, when using a sour mix, you want as long a delay as possible - that is a good thing. It allows the bugs to start building their colonies before the sacc starts to create alcohol, which will slow them down. The longer lag at the start, will make it sour quicker ...... it will still be many many months/year though.

These sour mixes deliberately have a low number of sacc cells, for this very purpose; to make it slow to start. That is why it is recommended to NOT make a starter with them.

Start worrying if you have no activity by day 4; at which point, pitch any Belgian strain you have handy. I expect you will be fine.

My notes from my last one with Roeselare. The pack was about 6 months old. "After 1.5 days, no activity. Some activity at 2 days. An inch of kraeusen after 2.5 days." This activity started quicker than I wanted it to.
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Old 11-11-2014, 01:06 AM   #12
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Actually, when using a sour mix, you want as long a delay as possible - that is a good thing. It allows the bugs to start building their colonies before the sacc starts to create alcohol, which will slow them down. The longer lag at the start, will make it sour quicker ...... it will still be many many months/year though.



These sour mixes deliberately have a low number of sacc cells, for this very purpose; to make it slow to start. That is why it is recommended to NOT make a starter with them.



Start worrying if you have no activity by day 4; at which point, pitch any Belgian strain you have handy. I expect you will be fine.



My notes from my last one with Roeselare. The pack was about 6 months old. "After 1.5 days, no activity. Some activity at 2 days. An inch of kraeusen after 2.5 days." This activity started quicker than I wanted it to.

Thanks, Calder - you reassured me there ! As of this evening, I can now also see some airlock activity and about a centimetre of krausen.

When I pitched the yeast on Saturday, I also dumped in the swirled up dregs from the bottom of a 1/3 imperial gallon that was over from the flanders red I brewed last year (having discarded the majority of the wort, whilst trying to jettison the pellicle off the top - hope that was the right thing and that I shouldn't have dumped in as much of dregs as I could).

I've read that generations 2 and 3 take a sizeable leap in sourness so I'm looking forward to seeing with these dregs can give this years one. I sampled my '13 and it's not as sour as I'd ideally want it. Pleasant enough though and definitely that flanders red character coming through...


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Old 11-11-2014, 01:07 AM   #13
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Default No activity seen from Roeselare pitch

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