Set ours at 175g per lt and 3.4lts per half day. H&L calf machines add the concentrate to the lts. So it works out at 1200grams in 6.8lts of water = 8lts of milk at 150 grams per lt. Getting great results and far less problems.
Also holstein
Are you sure the machines are set like that? Guys who fitted mine said if you set it at 150grams per litre then that is what is fed