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Rainshow'r Green Knight Hydroponic Dechlorinator
The Green Knight Hydroponic Dechlorinating unit promotes hydroponic plant growth by removing the toxic effects of chlorine from garden hose water, and uses Quartz crystals to aid plants in the absorption of nutrients. Also known as part number GK-1. This self contained filter cartridge screws right…
List Price:
$65.69
Our Price:
$60.00
You Save:
$5.69 (9%)
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HM Digital PTDS-4TM Pocket Size TDS Meter w/ Temp
…hobbyists, it can be used to test your drinking water along with pools, spas, jacuzzis, aquariums, hydroponic systems, water for alcohol brewing, water purification applications, wastewater regulation, hydroponics, water coolers, colloidal silver, and much more. The HM Digital TDS-4TM has a multitude of advanced…
List Price:
$37.00
Our Price:
$22.20
You Save:
$14.80 (40%)
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HM Digital AquaPro AP-1 Water Quality Tester - TDS
…impurities in your water supply. Useful for both consumers and hobbyists, it can be used to test your drinking water, pools, spas, jacuzzis, aquariums, hydroponic systems, and more. The AquaPro AP-1 has a multitude of advanced water quality testing features. It measures potentially harmful total dissolved solids…
List Price:
$42.95
Our Price:
$25.79
You Save:
$17.16 (40%)
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HM Digital ORP-200 ORP Meter Water Tester w/ Temp.
…Temperature Compensation (ATC). Useful for both consumers and hobbyists, it can be used to test your drinking water, pools, spas, jacuzzis, aquariums, hydroponic systems, various water purification applications, water for alcohol brewing, ionizers, agriculture, environmental testing, fruit and vegetable washing…
List Price:
$108.95
Our Price:
$87.95
You Save:
$21.00 (19%)
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HM Digital AquaPro AP-2 Water Quality Tester - EC
…Temperature Compensation (ATC). Useful for both consumers and hobbyists, it can be used to test your drinking water, pools, spas, jacuzzis, aquariums, hydroponic systems, water purification applications, ionizers, water for alcohol brewing, and other applications where you need to test the electrical conductivity…
List Price:
$42.95
Our Price:
$25.79
You Save:
$17.16 (40%)
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HM TDS-3 Meter with Carrying Case
…is ideal for both residential and commercial applications including but not limited to water purification, waste-water regulation, aquaculture, hydroponics, and residential RO applications. Measurement range is 0-9990 ppm. TDS Meters Are Used To: Check the performance of your water filter Confirm your…
List Price:
$37.00
Our Price:
$27.75
You Save:
$9.25 (25%)
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HM TDS-4 Pocket Size TDS Meter, TDS4
HM TDS-4 Meter will monitor the TDS levels for drinking water, water filters, hydroponics, Aquariums, Food and Coffee, Pools and Spas and residential RO applications. Measurement range is 0-9990 ppm. TDS Meters Are Used To: Check the performance of your water filter Confirm your drinking water is at…
List Price:
$35.00
Our Price:
$26.25
You Save:
$8.75 (25%)
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HM PH-200 Waterproof pH Meter
…(included) Dimensions: 7.3" x 1.3" x 1.3" The HM PH200 can be used for pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools, spas, ecology testing, boilers and cooling towers, water treatment, wine or coffee applications…
List Price:
$85.00
Our Price:
$79.00
You Save:
$6.00 (7%)
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