grain brewing

Hi There, Has anyone used the grainfather reduced pipe work? Can it only achieve 10ltrs of wert? I’m worried about losses that I may end up with only 8ltrs. I have 12ltr corny kegs. So should I use standard pipe work and do 13 to 15ltrs and factor In losses? Please help M

Hi all, I am a fairly amateur brewer having done about half a dozen kits, all with decent results. I've been offered the chance to use a Grainfather for a bit, but have very little idea about grain brewing. Someone pointed me in the direction of your forum and suggested I may get some...