Simply insert the two prongs into predug soil and look at the meter reading in the top.
Brian and Kaylene show how to use this product in the Veggie Classes episode 4.
To sign up to the FREE veggie classes, head to aussiegardener.com.au/veg
Please note: We now have our own Branded model which has better information on the pack and works very well. The photo shown currently is the old Ryset model.