That old handbook saved us after a similar shrinkage issue on some pump housings. We ended up going 25% over the chart size for anything over 150 pounds, just to be safe. It fixed the problem completely.

Also, a lot of people don't check the pH. If the formula is too acidic, it can cause that stinging and tightness no matter what's in it. She might need a gentler formula with a lower concentration, like 10% instead of 20.

My last smart plug setup video was for a different brand entirely.

Your neighbor basically invented a new way to make soup in your kitchen.

I had the same wake-up call last year when my hens started looking rough. Now I refill their grit hopper every two weeks without fail, and their digestion is way better. How big is your flock right now?