The HI98318 EC/TDS tester has a graphite sensor that reduces the polarization effect common with amperometric testers that use two stainless steel pins
1 8 oz of K-L-N Rooting Concentrate™ for roots
Plug & Play: Simple installation with the included RJ12 cable and T-splitter
Ideal Veg Formula: Balanced 7-4-4 NPK ratio for maximum plant volume and mass
Cleanroom Facilities: Ensures dust-free
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