not sure if i'll get the same answer as the post before me or not, but here's my problem.
tested ph.....7.0....put ph down in the tank....did a water change the next day & tested ph again....still 7.0....put in more ph down....tested this morning still 7.0
tested ph.....7.0....put ph down in the tank....did a water change the next day & tested ph again....still 7.0....put in more ph down....tested this morning still 7.0