I don't think the temperature you quoted 80f is for rehydrating. 90 degrees is ideal for rehydrating. It can be checked on the yeast companies website.
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I think the instructions for most ale strains say 90F. I was surprised too, but that's what they said. Frankly I just use room temp water...
Possibly. They were indeed kit instructions from long ago but US-05 had something at some point that said 80F. I checked the PDF and this is what it says:
Sprinkle the yeast in minimum 10 times its weight of sterile water or wort at 27°c ± 3°C (80°F ± 6°F). Leave to rest 15 to 30 minutes.
Gently stir for 30 minutes, and pitch the resultant cream into the fermentation vessel.
Alternatively, pitch the yeast directly in the fermentation vessel providing the temperature of the wort is above 20°C (68°F). Progressively sprinkle the dry yeast into the wort ensuring the yeast covers all the surface of wort available in order to avoid clumps. Leave for 30 minutes, then mix the wort using aeration or by wort addition.
So when I said "US-05 recommends 80F" I am either right or I am wrong based on the above. As it stands, I believe that 80F meant 80F but with the +/- 6, perhaps that is where 90F comes into play...with muddy math.
I'm interested to learn this too.
I have yet to rehydrate or do anything with my yeast other than just throw it on top of the aerated wort. The airlock started bubbling after only a few hours and has been a constant heartbeat since. We are almost to day 7 in which the recipe called for moving it to secondary, but I believe I may let it ride another 7 and then dry hop it for the last 7 before bottling. This is my idea after all the accumulated info I've mashed together in my head after reading this forum and others. I have a feeling this one may be quite cloudy though, there was a lot of stuff left in it.
I do not rehydrate anymore. People who have used various strains have been all over the map about rehydration vs not. I simply do not. While not all strains are the same, a common one being US-05 does give instructions for both rehydration and pitching dry.
http://www.fermentis.com/wp-content/uploads/2012/02/SFA_US05.pdf
It is probably out of laziness, but I pitch dry.
Update:
We are now on Day 6, I was planning on transferring it to Secondary tomorrow. My airlock however has stopped bubbling and I was wondering if I should be concerned, or if I should transfer tonight or add more yeast? I've never had one stop, they usually bubble violently until the end. I followed this recipe completely too, didn't substitute anything.
As for secondary, I have mentioned that I will dry hop in primary. I believe someone had also posted about that being okay. Again, you'll get varied opinions but I do not dry hop until krausen has dropped nearly all the way. If there is foam on the top dry hopping, as I know it, is fairly pointless. If you let the krausen drop you'll get better use out of your hops.
Airlock activity is basically nothing to me. Krausen tells me my story for the most part. Krausen forms...it is fermenting. Krasuen drops, initial fermentation has ended and now it is time to dry hop, add adjuncts, or just let it be and let the yeast clean up. Even after krausen drops I don't think about bottling. In your case, given the bottling issues, I would try to wait it out. In fact, I would encourage you to wait it out.
Should I take a hydrometer reading tomorrow when I transfer to secondary or just transfer it and take a reading in another week when I dry hop? Also any suggestions for taking the reading would be welcome.
Normal procedure for me would've been to clean a tube and siphon a little out into the hydrometer tube.
Primary Fermentation (# of Days & Temp): 5-7days @ 65
Secondary Fermentation (# of Days & Temp): 5-14 days @68-70
This is what the recipe says that I was going off. Thank you for reminding me! I had always got to this point and remember when it was too late, how great it would be to have a baster! I cook and don't have a baster. It makes me angry. I'm going to go buy one on the way home from work :cross:
He is right, sanitize everything. Anything that comes into contact with your beer should be sanitized. Using an old turkey baster is a bad idea but since you don't have one, you're fine. I used a can opener that has been used for obvious kitchen items and while I thought it was clean, it wasn't. I now have an unintended sour beer sitting in my pantry next chilling out until it turns into an unintended delicious sour.

I recommend a beer/wine thief for sure. Some items aren't necessary but they make life easier. I also recommend you having a vessel tall enough that you can float your hydrometer in. The thief supposedly does this but I for some reason have had nothing but issues with the thief leaking. I still like it, but I use a test tube. Combined I got both for well under $50 on amazon.