Quote Originally Posted by Markass
umm..no way to measure it at this moment...I've been forking a lot of cash over to get this ventilation squared away...a lot more than I planned. Noticed some pricey digital ph meters on the web...anyone know of a cheap way to measure PH..?
ha, same.

Local garden center, get a umm one that u mix wiv water lol i forget what it is.
Bout £5