Size is still too small for Africans Cichlids as they are aggressive compared to other fish.
They are not difficult to keep but as mentioned it is essential to know your water hardness before we offer suggestions. If you have hard water from the well which you can get by bypassing the softner then great.
MAJOR ALARM BELLS going off to any company offering a fee to supply water data! By law it has to be provided at the customer request for FREE from the supply company.