soil testers

[jakesls]

Hello all, I am looking for advice on a handheld soil tester, for lawn care and tree care services. Something I can give answers to the customer in a short period of time.


-pH, too much or too little fert. economical.

 

[Nickrosis]

I haven't found anything reliable under $20.

 

[arboromega]

what are you testing for? ph? content?