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Bluelab pH Replacement Electrode for Combo & pH Meter
Easy to clean because of its bullet shaped glass bulb. Fully waterproof and less fragile than all-glass electrodes because of its tough polypropylene barrel. Gel filled (non-refillable) making it maintenance free and a double junction reference providing longer life! Specifications Weight: 1.0 lbs. Package Dimensions: 8.0L x 2.3W x 1.0H Frequently Asked Questions Q: What is the suggested pH range for my hydroponic system and soil plants? A: Hydroponic and soil gardens differ in the fact they both need different pH ranges for nutrients to be made available for plant absorption. Maintain a pH between 5.0 and 6.5 for hydroponic gardens and 6.0 to 7.0 for soil applications.
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