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The HI98318 EC/TDS tester has a graphite sensor that reduces the polarization effect common with amperometric testers that use two stainless steel pins
Two-stage filtration design
PeaK MKP fertilizer is a very user-
***Brand May Vary***
1000w Metal Halide DE Bulb 12 ouputs The HI98318 EC/TDS tester hasMetal halide lamp with two ends MH 1000W lamp with extreme efficiency of 1. 8 mol W (1,800 mol sec @ 1000 Watts) High PAR efficiency (PAR value) Good to very good color reproduction Optimized spectral distribution for healthy plant growth ***Brand May Vary*** 4000K: optimal for use at the end of the vegetative stage and through the flowering stage when plants are producing buds. 6000K: warm blue spectrum for vegetative plant growth. 10,000K: used the