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whichever is in reach
Nitrogen: <10ppm
Eye Protection
while the observation window provides a convenient peek into the grow space without disrupting the internal conditions
TrolMaster Drop-in/inline Heavy Duty Nutrient pH Sensor (PPH-3) dab pumps whichever is in reachTrolMaster Drop in inline Heavy Duty Nutrient pH Sensor (PPH 3) The PPH 3 has an improved sensor element for more stable and reliable performance. Can be used with the AMP 2 or the AMP 3 nutrient sensor module. *All pH probes must be stored by using the storage cap and the correct probe storage solution. If a pH probe gets completely dried out, they will no longer function correctly. Any pH probe returned without the cap and in a "dry" state" will not
