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| Checker PH Tester by Hanna | EcoTestr PH 2 | Gro Check Meter Replacement pH Electrode |
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Price: $44.95
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Price: $84.95
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Price: $84.95
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| GroCheck Combo Monitor | Grocheck pH/EC/Temp Monitor HI 991404 | Hanna HI 981504 pH-TDS-Temperature Monitor |
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Price: $169.95
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Price: $189.95
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Price: $239.95
Regular Price: $255.00
savings 6%
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| Hanna Primo TDS Tester | HANNA REP. PROBE (HI1285-6) | Hanna Waterproof pH/EC/TDS Meter |
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Price: $37.95
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Price: $119.95
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Price: $239.95
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| Oakton PH Tester 30 | PH Control Kit | Sunleaves TDS Expert Plus |
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Price: $144.95
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Price: $17.95
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Price: $59.95
Regular Price: $78.00
savings 23%
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| Waterproof EcoTestr TDS Low | Sunleaves TDS Essential | Truncheon TDS Meter |
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Price: $84.95
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Price: $19.95
Regular Price: $25.00
savings 20%
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Price: $124.95
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| Bluelab Nutrient Monitor | pH Test Indicator (8 oz.) | pH Test Paper |
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Price: $115.95
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Price: $10.95
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Price: $6.95
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| Hanna PH/TDS/EC Replacement Probe | Nutrient Syringe | Nutrient Syringe Needle |
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Price: $109.95
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Price: $2.95
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Price: $5.95
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