Checked the res on 12/17 approx 10pm:

BD1 was 6.3 PH, 1660 PPM
added Down and 1 gal RO water to get 1495 PPM, PH 5.7

BD2 was 5.8 PH, 1770 PPM
added 1.25 gal RO water and a few drops of Down to get 1349 PPM, PH 5.8