This Page has been updated Jul 2010


To get the most out of your hydroponic system, it is a good idea to monitor the pH and the strength (conductivity) of the nutrient solution. This is not that important in gardens that don’t recycle the solution as most hydroponic nutrients mix with tap water to a good pH and conductivity level. When recycling the solution, the pH and conductivity of the solution will change as the plants feed from the solution. By monitoring the pH and conductivity of the solution, and correcting it, you will get the maximum performance from your system.



pH TEST EQUIPMENT

Flairform pH Tester is a simple to use pH testing kit. Simply half fill the supplied test tube with solution, add 1 drops of test solution and compare the colour to the chart provided.

PH COLOUR KIT (liquid colour kit) A$9.50 + freight

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pH Test Paper One of the simplest ways of testing pH. Simply tear off a small piece of test paper and dip it into the solution. Compare the colour to the chart and you’ve got your reading.

pH TEST PAPER (5m paper roll) A$27.50 + freight
pH TEST STRIPS (pH-fIX 0 - 14) A$45.00 + freight

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The NEW Aqua One Pro Pen has quick & accurate readings, one touch calibration, auto shut off, low battery indicator and is shock proof, the testing range is 0.0 - 14.0.

pH PRO PEN DIGITAL TESTER (digital test pen) A$110.00 + freight
pH  DIGITAL TESTER (digital test pen) A$50.00 + freight

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NEW from Eutech the EcoTestr pH 2 a quality pH tester designed for fuss-free pH measurements it is accurate, and easy to use, can be used for quick pH checks in hydroponic gardening, aquaculture, agriculture, & pools. 0.0 to 14.0 full pH range, 3 point calibration & auto-buffer recognition. 

ECO TESTR2 WP pH TESTER (digital test pen) A$130.00 + freight

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WP pH Scan 1 & 2 replaceable pH probe

PHSCAN1 WP pH PROBE (spare probe) A$65.00 + freight
PHSCAN2 WP pH PROBE (spare probe) A$70.00 + freight

 

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CONDUCTIVITY TEST EQUIPMENT

WP TDSTESTR has all the features of the TDStestr meter except it is totally waterproof. The WP TDStestr has the added feature of having a replaceable probe, giving the WP TDStestr an almost unlimited life.

TDSTESTR WATERPROOF (digital test pen) A$105.00 + freight

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WP EC TESTR has all the features of the ECtestr meter except it is totally waterproof. The ECtestr has the added feature of having a replaceable probe, giving the ECtestr an almost unlimited life.

EC TESTER WATERPROOF (digital test pen) A$105.00 + freight

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CF Truncheon by NZ Hydroponics uses LED lights rather than a digital readout for long life. The CF Truncheon reads the conductivity of nutrient solutions in PPM, MS/CM2 and CF.

CF TRUNCHEON (stick led tester) A$125.00 + freight

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Multi-Parameter PCTestr 35 is the "NEW" handheld waterproof combination pH, Conductivity  and Temperature test pen  from Eutech which has a replaceable probe. The Multi-Parameter PCTestr 35 meter gives a quick and stable readings in pH, EC and temperature. Trident 3 in 1 handheld water resistant combination pH, Conductivity  and Temperature test pen

 
MULTI-PARAMETER PCTESTR 35 (hand held tester) A$215.00 + freight
TRIDENT 3 IN 1 (hand held tester) A$270.00 + freight
BLUELAB COMBO  METER (wall mounted) A$330.00 + freight

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pH & CF DOSING CONTROLLERS

DOSETONIC (pH & CF Dosing Controller) A$3300.00 + freight
BLUELAB MONITOR (EC/CF Monitor) A$220.00 + freight

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pH & CF ACCESSORIES

pH Calibration Solutions All digital pH meters need to be calibrated on a regular basis to retain accuracy. pH calibration solutions are available in pH4.0 and pH7.0 in either liquid form in 20ml Satchels, 250ml & 1L bottles or in convenient tablet form.

PH #4 BUFFER TABLETS (1 tablet makes 20ml buffer) A$1.10 + freight
PH #7 BUFFER TABLETS (1 tablet makes 20ml buffer) A$1.10 + freight
PH #4 BUFFER (220ml bottle) A$8.50 + freight
PH #7 BUFFER (220ml bottle) A$8.50 + freight
PH #4 BUFFER (1 litre bottle) A$16.00 + freight
PH #7 BUFFER (1 litre bottle) A$16.00 + freight
PH #7 BUFFER (5 litre bottle) A$54.00 + freight
1.4 VOLT BATTERIES (test pen batteries) A$2.50 + freight

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Conductivity Calibration Solutions Conductivity meters, regardless of the scale they read in, will need there calibrations checked every now and then.

CF TEST BUFFER (220ml bottle) A$8.50 + freight
ELECTRODE STORAGE (250ml bottle) A$9.50 + freight
CLEANING SOLUTION (100ml bottle) A$19.00 + freight

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CORRECTING SOLUTION pH

Once you’ve determined the pH of your solution and find that it has to be corrected, then an additive will be needed to make the appropriate changes.

pH Lower If the pH of your nutrient solution is too high then some pH lower is required. Dilute some concentrate pH lower in some water and slowly add to the solution, whilst stirring, until the desired pH is attained.

PH LOWER (500ml bottle) A$7.50 + freight
PH LOWER (2 litre bottle) A$21.50 + freight

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Phosphoric Acid for the serious grower, this 86% pure phosphoric acid is the least expensive way of lowering pH. Concentrate phosphoric or nitric acid needs to be diluted 1000:1 with water before adding to the solution.

PHOSPHORIC ACID (not available through mail) A$21.50 + freight

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pH Raise If the pH of your nutrient solution is too low then some pH raise will be required. Dilute some pH raise in some water and add slowly to your nutrient solution whilst stirring, until the desired pH is attained.

PH RAISE (500ml bottle) A$7.50 + freight
PH RAISE (2 litre bottle) A$21.50 + freight

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Potassium Hydroxide For the serious grower, potassium hydroxide is the least expensive way of raising pH. Potassium hydroxide comes in granular form.

POTASSIUM HYDROXIDE (not available through mail) A$21.50  
POTASSIUM HYDROXIDE (not available through mail) A$145.00

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Check the catalogue listing for other Testing Equipment.


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