Added ~1/2gl ice to reduce temp to lacto range; added 2qt reserved crushed grain. transferred to corny keg … leaving maybe 1 lb and 1gl of mash liquor behind.
Moved corny to water bath in keggle; RIMS tube recirculating water bath, set point ~ 120°F.
Mash pH: firstname.lastname@example.org°C -> 5.66
RIMS tube off.
Mash at 85°F, restarted RIMS recirc with setpoint at 117°F.
after stirring, mash @ 105°F; RIMS/water bath set point raised to 125°F.
internal temp ~ 107-112°F.
set point raised to 127°F.
127°F set point, ~110 mash; pH 3.5 @ 29.5°C -> 3.45
pH 3.5 @ 27.7°C
Added 250g white table sugar. pH 3.7 @ 28.0°C -> 3.67
Pitched rehydrated US-05 to both carboys; temp controllers at 65°F. Krausen by morning.
Sample from right/BB carboy.
Added 6 pints ~ 4.5 lbs frozen blubes to left/glass carboy; 90% in a nylon stocking, the rest free.