buffering

Ok. Here is my problem now. Things were going great and I guess I tempted fate... Ive been doing water changes every week for the month or so vs once a month with drastic improvement. So I went to fish store and bought two additional clowns which one died almost immediately...I didnt notice him...

Hello to my favorite forum in the world....okay so i only use one forum, but who's keeping track.... my new 55g is not behaving very well...its been running for 2 weeks and i'm having trouble getting my PH up and keeping my dKH down.... the running tally of tests.... 4/2 (day 4) ammo:0.5ppm...