Well, they are cheap. ~4 USD. The scale is relative Wet--Dry. Do be careful to dry and clean the probe after use. Never leave one stuck in the ground.
Worth's system is great for water level but I don't think it would be much good to tell how well the wicking system is working.
Say that five times fast.
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Stupidity got us into this mess. Why can't it get us out?
- Will Rogers
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