harvested yeast starter

TL;DR : I want to harvest very old yeast from a very old chouffe bottle. Hello everyone, I recently did some work in my grand-parents house. That's when I came upon this old "chouffe" bottle (see attached pictures) I there were alot of floating sediments so I decided to first cold crash it in...

Hey all, A friend of mine showed me how he harvests his yeast. 1. Grabs a mason jar out of the cupboard 2. Uses a 1/3 cup scoop to get trub from the bottom of the fermentation bucket 3. Fills rest of mason jar with tap water 4. Puts it in fridge He's been doing this for some years without...

Thanks for looking in: I followed this link to wash the yeast- https://www.brewersfriend.com/2010/01/30/yeast-washing-101/ The pic is my version of pic 6 in the link which is the end result of washing 1/3 of the Trub from my last harvest in a 1/2 gallon Jar and this is what I am left with...