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Vigorous, Prolonged Cider Fermentation

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curtishartling

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Hi!

Just wanted to share an interesting experience I've had with my latest batch of cider. I'm wondering if anyone has had a similar experience.

I picked up about 5.5 gallons of blended (honey crisp, pink lady, and a third apple I can't remember) cider from a local hard cider producer. Pureed 19 oz. of fresh raspberries, added that to 12 oz. invert sugar and added some water to this mixture. I stirred up the raspberry puree, invert sugar, and water, steeped the mixture at ~170 degrees for about 10 minutes, and added it to the cider in my carboy (the cider was at room temp). After rocking the baby and taking a gravity reading, I wound up with 1.062 O.G. (prior to adding invert sugar and raspberries the gravity of the cider alone was 1.055).

Prior to all that, I had rehydrated a single packet of Safale US-05 Ale Dry Yeast. I used half of that in a 2-gallon experimental batch of IPA. I used the second half to make a 2-litre starter for the cider in question. I pitched the 2-litre starter to the cider, rocked the baby, and let it sit.

After 24 hours, the cider looked like this:


sn68pHsWFQ4v914-ode0Jaruo0BSCpVjXTeU5C4IuVnHMlzbwIapOS-JQlPIqH08WeWYmmDPUy_3hHgkSA6y-mbEyd8ASjjKqgjlLanw7vPRzqoQipM8SDz8F6ZudoE6zQQkwgW0jEkGBKI24676cxkNgBPcMYAkFaZciZaT2rDSotIpqP9z9fiY-zPDWUGo0_U1V6AyNrllcSpeBY6Ta96146B12cKpb7p-F6TChyw2JGWAVg5ZIqCbP-aYFxavC4PhUOMCzdQQKa3iJl07gzpBHz8vk7kVq8oln67v0alVCqINps7I_h-B8P_YQA1T6JOhCSB-JQU-9xI3rfBsXksJte2Vb0UAs1yhougOHTi_i_JWOMG73RUanaeNaW8Br4nBgNDtlMpDw5RRlehIcqYhzb6b-E8kqA3guMW5yNfpmNgYdkQPb8w6NhJaOTidgefmrhaOPWIcU-LPOp1-AspYd6_5gmznFC-VP2vf9M9edTQmK60AkU5k1847CfO-54Y05NXIVSG_MaT4frmd0fbScGRIscPlXJ7N9YWekanndzKnXOR_9fjjcDkvnGsqa4J6kBhcoivF9WeFkJb-6uM__NQ5o-OAbLa5D5aC9mx3tQoh=w1804-h2704-no

After 48 hours, it had a crazy high krausen. Cider was spraying out of the airlock, and I had to replace it with a blow off hose:

O7bcd4QXKbSq0slOnlCDTeOCwZebGepCD8n0QMdfSoRGm3WCd3_hBcwuZ28n49u1jDaTbAluKLvlk2YUZYyDDDzAFNItRM5i5McRpnqFaqo2y86Txfk3Irldbk5TcopnN8kceSYIWUmFR1aHAxjuEA2EIC9PEQwNGH4XoY4JrnhC7S8C1bgk_CVxyhP_1DmY-s8ggMcXRVtzV1LEiq_HUDD4tCiiyYvz2sty_dy-9uyCfg66YaUbBgue6FtYF5RVQOpdn6i5Fs3aP1W511oxtSfhVvv78bnvMERZroLnOX914YYmK27Ds5VtCbZH5n9PFOscyoeDrJRrMnNEMeLOb_vU3Wm7-Y4dug6Cb5StgqqntXNJknfQJy6gGhn53NAn2SmvodvqAUSLpGSi1HAYfWObgsoNIkVFJK1ah_035HVpgWrigbDZockWC6cKI1IBr9yYpCBMnyfDAEcac26QfYQ9EOwIdlpMi48qzD5tvGLuh00yd4kYm5UA2S40NZX0tZ4GEEEzTnrbIKgecS9BF9W5-WhxF3ybfEDO7PyISNmcAlW_3i12B_2tkEr2zfOPTpA06qAguRp7e1VieLWtID3xgpVyzxDz2SzK81bRdgbBBEI3=w2736-h1824-no

This vigorous fermentation and high krausen has persisted for an entire week! For me, this is unusual. I have used yeast starters in plenty of beers and am used to this type of vigorous fermentation... for 3 days max. I have never witnessed such sustained vigorous activity. I always ferment at room temp and have lived in the same place for a while. However, this is the first time I've used a starter for a cider.

Just wondering if anyone out there has seen such a thing. Thanks a bunch!

- Curtis
 
Never had that happen, but I would expect that with that much activity and the addition of sugar, you will have a very dry cider with very little apple or raspberry flavor. Its also likely to be very tart, although since fruit varies from place to place and year to year your final product may be different that what I'm predicting.
 

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