About 'grit': I think that in England 'soluble grit' is oyster shell, the extra calcium source, and 'insoluble grit' is rock for their gizzard digestive system.
Here we call those little stones 'grit' and the oyster shell is that separate item. Feeding back egg shells won't be enough for...
We buy Purina's Flock Raiser, an all flock feed that's (nearly) always fresh at the local TSC. We want to use it within two months of it's mill date, so vitamin levels are best. I too bought a chick starter a few times when it was best choice during supply chain issues.
Oyster shell and grit...
We feed Purina Flock raiser, with oyster shell and grit on the side, and have for decades.
It's important to look at the mill date on each bag of feed before purchase, and get products that can be used within a very few months of milling. Also that the feed is stored properly both at the...