thanks guys
but the 10g is not connected to the 20h
ill try and keep it on for 24/7 for a couple days to see how that works out if not ill change it up to 12hr on 12hr off.
just did a 5 gallon water change on the 20h, 2 gallon on the 10L and 3 gallons on the 14BC
parameters are A+ across the board