The Planted Tank Forum - View Single Post - pH Rising
Thread: pH Rising
View Single Post
Old 10-09-2012, 06:59 AM   #6
Django
Planted Tank Enthusiast
 
Django's Avatar
 
PTrader: (1/100%)
Join Date: Jun 2012
Location: Massachusetts
Posts: 679
Default

Quote:
Originally Posted by Diana View Post
Has the water company been changing the water?

Have you been topping off evaporation loss with tap water?

Please test and post:
GH, KH, pH of tap and tank.
Repeat the pH test on tap water that has sat out 24-48 hours.
Massachusetts Water Resources Authority data:

GH: 13 mg/l /17.86 = 0.73 dGH
KH: 41.7 mg/l /17.86 = 2.33 dKH
pH: 9.7

Tank:

GH: 5 dGH
KH: 3 dKH
pH: 7.6

pH of top-up water to follow
Django is offline   Reply With Quote