I use a refractometer throughout the process. I have used a hydrometer to check my readings and still do on occasion. I also have a $135 refractometer manufactured by Milwaukee. https://www.amazon.com/Milwaukee-Instruments-MA871-BOX-Refractometer-Measurements/dp/B00G74Q9PS/ref=asc_df_B00G74Q9PS/?tag=hyprod-20&linkCode=df0&hvadid=312193596474&hvpos=1o3&hvnetw=g&hvrand=1147946059060666573&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9014870&hvtargid=aud-466346483690:pla-499621926157&psc=1&tag=&ref=&adgrpid=63852391884&hvpone=&hvptwo=&hvadid=312193596474&hvpos=1o3&hvnetw=g&hvrand=1147946059060666573&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9014870&hvtargid=aud-466346483690:pla-499621926157
It gives more accurate readings than a cheap $30 one but I used to use one of those as well and had good results. This one is much easier and more accurate.
Since the refractometer only takes a couple drops I use that. When I stop seeing a change in gravity I know we're done and it's time to bottle. At bottling I use the hydrometer for an accurate final reading.
Thanks, doing my hydrometer homework.
Moved LBK's to kitchen counter, monitored temperature and it's between 61-66.
Location where the LBK's are at is a few degrees cooler than what the heat is set on.
Set the heat on 71 degrees to get to the upper 60's. SWMBO said "why is so hot in here ?"
She checked thermostat put in on 68 and said if I was cold to put a sweater on.
I like it cool in the house too, or so I'm being told.