Quote Originally Posted by britewire
you got paper that react to the acidity of liquids... Don't know the name of that stuff.. go and get it at your local aquarium specialist.
litmus paper
latewood Reviewed by latewood on . growing hydro with no way of checking ph i know i should have waited to get the ph pen but i couldnt. i know that ph should be aroung 5.5 -6.0 in hydro. everything is looking good but im kinda nervous cuz i dont want to lose my babies.i heard that ro water is 6.0 then when you add the gh 3 part form.the ph will drop to around 5.8.is this true. Rating: 5