Alright so i am getting 5 zebras next week and my ph out of the tap is 8.2-8.4 GH 7-8 KH 5-6. I wanted to bring the ph down so i invested in some ro water from publix. The ph of that turned out to be 6.4 with kh and gh 0-1. I mixed the tap and ro water 50/50 in a huge Tupperware container. The ph no...