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Ideal for flood & drain and drip hydroponic systems
Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution
Potassium is also responsible for tightening up airy and loose flowers that plants lacking in K develop
Includes rubber squeegies to clear off excess solution
MaxiBloom encourages prolific flowering and fruiting and increases yields and crop quality
HM Digital Hydromaster Replacement EC/TDS Probe Active Aqua Ideal for flood & drainThe HM Digital Hydromaster EC TDS Probe is a replacement part for the HydroMaster HM 500.
US$ 42.95
US$ 52.95
US$ 37.95
US$ 37.95