well, um the cheapest way would be to use the ph paper strips.when i check ph,i flush and drain the water into the plants plastic saucer and use my hanna red pen,perfect everytime. stay way from those green soil moisture/light/ph probe things.they are garbage and a waste of $20 bucks
disrupt86 Reviewed by disrupt86 on . Soil pH Tester? Hey guys, i'd like to keep track on my soil pH regularly. Where can i buy a pH testing mechanism that works in soil and how much does it cost? (I live in the US) :thumbsup: Rating: 5