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Hydorponic ph/EC Maintenance

  
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Displaying 64 to 84 (of 186 products)
12880 S/cm Calib Solution, 25x20mL, case of 25 
 12880 S/cm Calib Solution, 25x20mL, case of 25 
volume discounts available
$75 min order on all hydroponics
Stock#  HI70030P
Brand:  Hanna Instruments 

 
Price: $31.95 
1382 PPM@25C Calibration Solution 20mL, case of 25 
 1382 PPM@25C Calibration Solution 20mL, case of 25 
volume discounts available
$75 min order on all hydroponics
Stock#  HI70032P
Brand:  Hanna Instruments 

 
Price: $31.95 
1413 S/cm (EC) Calib Solution, 25x20mL, case of 25 
 1413 S/cm (EC) Calib Solution, 25x20mL, case of 25 
volume discounts available
$75 min order on all hydroponics
Stock#  HI70031P
Brand:  Hanna Instruments 

 
Price: $31.95 
1500 PPM@25C Calibration Solution 20mL, case of 25 
 1500 PPM@25C Calibration Solution 20mL, case of 25 
volume discounts available
$75 min order on all hydroponics
Stock#  HI70442P
Brand:  Hanna Instruments 

 
Price: $31.95 
pH 7.01 Calibration Solution, 25x20mL, case of 25 
 pH 7.01 Calibration Solution, 25x20mL, case of 25 
volume discounts available
$75 min order on all hydroponics
Stock#  HI70007P
Brand:  Hanna Instruments 

 
Price: $31.95 
Salinity (NaCI) Calibration solution 30g-l. 
 Salinity (NaCI) Calibration solution 30g-l. 
volume discounts available
$75 min order on all hydroponics
Stock#  HI7081M
Brand:  Hanna Instruments 

 
Price: $32.95 
pH Tester With 1 Point Manual Calibration 
 pH Tester With 1 Point Manual Calibration 
volume discounts available
$75 min order on all hydroponics
Stock#  MIPH600

 
Price: $33.95 
Replacement Platinum Sensor COM-100 
 Replacement Platinum Sensor COM-100 
volume discounts available
$75 min order on all hydroponics
Stock#  HMDSPC1
Brand:  HM Digital Meters 

 
Price: $36.95 
TDS-3 Handheld TDS meter 
 TDS-3 Handheld TDS meter 
volume discounts available
$75 min order on all hydroponics
Stock#  HMDTDS3
Brand:  HM Digital Meters 

 
Price: $36.95 
Oakton Calibration Solution 15,000 uS, case of 20 
 Oakton Calibration Solution 15,000 uS, case of 20 
volume discounts available
$75 min order on all hydroponics
Stock#  OK3565313
Brand:  Oakton 

 
Price: $37.95 
Checker pH Tester with Replaceable Electrode 
 Checker pH Tester with Replaceable Electrode 
volume discounts available
$75 min order on all hydroponics
Stock#  HI98103
Brand:  Hanna Instruments 

 
Price: $39.95 
Primo TDS Tester 
 Primo TDS Tester 
volume discounts available
$75 min order on all hydroponics
Stock#  HIPRIMO
Brand:  Hanna Instruments 

 
Price: $39.95 
pH 4.01 Solution, case of 20 
 pH 4.01 Solution, case of 20 
volume discounts available
$75 min order on all hydroponics
Stock#  OK3565301
Brand:  Oakton 

 
Price: $40.95 
AquaPro TDS/Temperature Meter 
 AquaPro TDS/Temperature Meter 
volume discounts available
$75 min order on all hydroponics
Stock#  HMDAP1
Brand:  HM Digital Meters 

 
Price: $44.95 
Cal Check Solution 
 Cal Check Solution 
volume discounts available
$75 min order on all hydroponics
Stock#  HI50021
Brand:  Hanna Instruments 

 
Price: $44.95 
pH Down, 10 lt 
 pH Down, 10 lt 
volume discounts available
$75 min order on all hydroponics
Stock#  TFPHD10L
Brand:  Technaflora 

 
Price: $46.82 
pH UP, 10 lt 
 pH UP, 10 lt 
volume discounts available
$75 min order on all hydroponics
Stock#  TFPHU10L
Brand:  Technaflora 

 
Price: $46.82 
Replacement pH Sensor PH-200 
 Replacement pH Sensor PH-200 
volume discounts available
$75 min order on all hydroponics
Stock#  HMDSPP2
Brand:  HM Digital Meters 

 
Price: $49.95 
Double Junction PH Probe for MW100 
 Double Junction PH Probe for MW100 
volume discounts available
$75 min order on all hydroponics
Stock#  MISE220

 
Price: $53.95 
Milwaukee Double Junction pH Electrode 
 Milwaukee Double Junction pH Electrode 
volume discounts available
$75 min order on all hydroponics
Stock#  MIMA911B1

 
Price: $53.95 
GroChek EC Electrode 
 GroChek EC Electrode 
volume discounts available
$75 min order on all hydroponics
Stock#  HI7632
Brand:  Hanna Instruments 

 
Price: $56.95 
Displaying 64 to 84 (of 186 products) Result Pages: [<< Prev]   1  2  3  4  5 ...  [Next >>]