Hydroponic nutrient stick
USD $20 - $30 /Piece
Min.Order:100 Pieces
Guangzhou City Yuanlaihong E-Tech Co., Ltd.
Hydroponic nutrient stick
1.EC,CF and PPM display scales
2.Water proof
3.Accuracy 4%
4.Automatic on and off
5. Measuring ragne:4-52CF; 0.4-5.2EC