1. B

    Raised PH from algae scrubber killing fish??

    Hi, After I installed my algae scrubber my PH went from 6.8 to 7.6. Maybe 8 sometimes. Been running this thing during the day for a year and then shut it off at night. However, over the last 6 months I've been running it all night long (with light off during the night). I had 4 cory cats...