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Auto-ranging three point calibration with digital fine tuning
Advantages are better aeration
better resilience and higher yields
Enzymatically hydrolyzed and spray dried fish protein concentrate provides a valuable and plant-available source of organic nitrogen
Pump requires 115 volt outlet
Vostermans Variable Speed Drive 40 Amp w/ Manual Override botanicare-liquid-karma-01-01-05 Auto-ranging three point calibration withAvailable in three different models that have a 0 10 V or 4 20 mA input signal. Easy to access toggle switch to select manual or automatic mode as well as a manual speed selector dial on the faceplate. Internal minimum speed adjustment with possibility to work continuously at minimum speed. Comes in a rugged, sealed enclosure that protects from light, moisture and dust. Includes extended supply voltage range and a radio interference filter.