im just in the macking off setting up my fish house with breeding discus i have about 50 discus in total including 6 breeding pairs 1 off which has layed eggs for the second time since i have had them the first time they got to free swimming and then the parrents eat them this time they are still just at egg stage and also i use ro water to lower my ph and coral gravel to raise my ph till iget my 6.5 does any one have any other batter ways to do this thanks.