I got one of those pH down bottles, trying to lower the pH in my new
55gallon tank to 6.5, been a pain, the bottle says if you have fish in the
tank not to lower more then .2 per 24 hours, anyone know if its the same
for
plants? Im leaning towards yes seeing how theyre alive and all.

Why do you want to lower your pH?
DO NOT use any of those chemical on your tank.

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Thank You

Dominic
http://www.dlink.org/aqua