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PH Maintenence
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Bluelab Probe Care Kit pH & Conductivity
$22.85Everything you need to clean, hydrate and calibrate pH probes as well as clean and test conductivity (ppm/EC) probes. The instrument is only as accurate as the probe is clean. Accurate readings simplify crop management and provide improved growth. Probe cleaning and correctly storing pH probes ensures you get the most accurate readings possible and will maximize the life of a probe. The probe surface is where the instrument takes the reading of the solution or soil/media. If the probe face is dirty or contaminated, the readings may be inaccurate. Much like the windshield of a car, if it’s dirty you can’t see out! If the probe face is dirty, it cannot read the solution or soil accurately. Learn More -
General Hydroponics pH Up
Starting at: $20.00
This Base solution is formulated using Potassium Hydroxide and Potassium Carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. This powder based formula is made to raise the pH in a reservoir. Lightweight in comparison to liquids. Please note that this item must be shipped via FedEx Ground. This item cannot be sent to Alaska, Hawaii, Puerto Rico, Virgin Islands or Internationally. Learn More -
General Hydroponics pH Test Kit
$7.99General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Many growers prefer our pH Test Kit to expensive electronic meters because of its reliability and ease of use. Learn More -
General Hydroponics pH Down
Starting at: $20.00
The Acid formulation uses food grade Phosphoric acid to lower the pH to the proper level. This powdered acid formula is easy to handle and ship. Lightweight in comparison to liquids. Widely recognized as a consistent and reliable product. Please note that this item must be shipped via FedEx Ground. This item cannot be sent to Alaska, Hawaii, Puerto Rico, Virgin Islands or Internationally. Learn More -
General Hydroponics pH Control Kit
$21.45Contains: 8 oz. pH UP 8 oz. pH DOWN 1 oz. indicator & vial Please note that this item must be shipped via FedEx Ground. This item cannot be sent to Alaska, Hawaii, Puerto Rico, Virgin Islands or Internationally. Learn More -
General Hydroponics pH 4.01, pH 7.01, 1500 PPM Solutions
Starting at: $9.85
General Hydroponics™ uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics™ technicians check each batch to ensure that our solutions are precisely calibrated and yield reliable readings each time they are used. Learn More -
Control Wizard 24-7 Nutrient Monitor
Starting at: $49.75
The 24–7 Nutrient Monitor™ is a great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH and Temperature. Both pH and PPM electrodes are placed into the solution needing monitoring. Its large illuminated green LCD display allows easy reading from a distance. This makes it so easy to keep a watch on nutrient tanks by simply walking by! Both pH and PPM are temperature compensated for accurate readings. The electrodes are replaceable at a relatively low price compared to other brands of meters found in its class. Learn More -
Bluelab Truncheon Original Meter EC & PPM
$97.75With its super tough, high quality, fully waterproof design, no calibration required, daylight readable blue LED's and no on/off buttons to worry about, the Bluelab Truncheon® Nutrient Meter has proven itself as the world's favourite nutrient meter. It is powered by three standard AA batteries. Learn More -
Bluelab Soil pH Pen
$127.75The Bluelab Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made available to your plants. In soils or growing media, pH strongly influences the availability of the microorganisms to plants in the soil. Now you can closely monitor and adjust the pH levels right from the palm of your hand for optimum plant health and performance. Learn More -
Bluelab Soil pH Meter Replacement Probe
$84.00Replacement probe for Bluelab Soil pH Meter Learn More -
Bluelab Soil pH Meter
$178.65If you need to measure the pH level of soil, media or substrates, then the Bluelab® Soil pH Meter is just what you need! Our meter can be used by everybody from the home enthusiast to commercial growers. 5 year Bluelab® Guarantee (6 month for probe). Learn More -
Bluelab Replacement pH Probe for Guardian, Combo & pH Meter
$51.95Easy 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! Learn More -
Advanced Nutrients pH Down
Starting at: $27.00
Acidity versus alkalinity are key factors in your crop's water and root zone, as measured by pH. If you have too high or too low pH, your crops cannot uptake nutrients, and may well be damaged or even killed. That's why smart growers daily monitor and adjust optimum pH levels for hydroponics, sphagnum moss, coco coir, rockwool, aeroponics, soil, and other types of plant growth media. Some companies make cheap, inferior pH adjustment products that never achieve consistent results; some of those products contain harmful materials. Advanced Nutrients pH products are carefully-manufactured pure concentrates that are pharmaceutical grade. Please note that this item must be shipped via FedEx Ground. This item cannot be sent to Alaska, Hawaii, Puerto Rico, Virgin Islands or Internationally. Learn More