pH, EC & TDS
Showing 1–16 of 94 results
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GH pH Test Indicator 8 oz (12/Case) (Not for sale in PR) (722140)
SALE 47% OFF! Original price was: $174.36.$92.19Current price is: $92.19. Add to cart -
HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml) (HMDC1000)
SALE 14% OFF! Original price was: $9.49.$8.15Current price is: $8.15. Add to cart -
HM Digital Pen style TDS/Temp meter with case (HM-TDS-3)
SALE 22% OFF! Original price was: $19.95.$15.60Current price is: $15.60. Add to cart -
Aqua Master E50 Pro EC Temp Meter (AMT1005)
SALE 30% OFF! Original price was: $74.95.$52.68Current price is: $52.68. Add to cart -
GH pH Control Kit (12/Case) (722080)
SALE 47% OFF! Original price was: $273.00.$144.45Current price is: $144.45. Add to cart -
House & Garden pH Osmosis Stabilizer, 60 L (HGPHOS60L)
SALE 93% OFF! Original price was: $1,012.20.$75.51Current price is: $75.51. Add to cart -
Aqua Master P700 Pro 2 EC PPM TDS Temp Electrode (AMT1022.2)
SALE 22% OFF! Original price was: $54.95.$43.08Current price is: $43.08. Add to cart -
HM Digital Pro Series Pen style TDS/EC/Temp meter (HM-COM-100)
SALE 27% OFF! Original price was: $74.95.$55.08Current price is: $55.08. Add to cart -
GH pH Up Liquid Gallon (4/Case) (722095)
SALE 47% OFF! Original price was: $156.24.$82.60Current price is: $82.60. Add to cart -
HM Digital Hydromaster Portable – pH/TDS/EC/Temp (HM-HM-200)
SALE 29% OFF! Original price was: $274.95.$194.40Current price is: $194.40. Add to cart -
HM Digital Replacement pH Sensor Probe for HM-500 (HMDSPP5)
SALE 36% OFF! Original price was: $59.99.$38.51Current price is: $38.51. Add to cart -
GroStar EC Calibration Kit (2.77 EC, 8 oz. each) (AI71117)
SALE 36% OFF! Original price was: $14.99.$9.62Current price is: $9.62. Add to cart -
Aqua Master P700 Pro 2 pH Electrode (AMT1021.2)
SALE 24% OFF! Original price was: $59.95.$45.84Current price is: $45.84. Add to cart -
HM Digital Pro Series Pen style pH/Temp meter (HM-PH-200)
SALE 24% OFF! Original price was: $99.95.$75.60Current price is: $75.60. Add to cart -
GH pH Up Liquid Quart (12/Case) (722090)
SALE 47% OFF! Original price was: $188.16.$99.51Current price is: $99.51. Add to cart -
Aqua Master Calibration Solution pH 4.01 500ml (AMT1303)
SALE 27% OFF! Original price was: $111.60.$81.60Current price is: $81.60. Add to cart
Showing 1–16 of 94 results