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Test Equipment

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 Correcting Solutions

pH Lower

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

(250 mls)

POA

pH Lower

(500 mls)

POA

pH Lower

(1 litre)

POA

* Prices exclude Freight

Phosphoric Acid

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

(500 mls)

POA

* Prices exclude Freight

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pH Raise

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

(250 mls)

POA

pH Raise

(1 litre)

POA

* Prices exclude Freight

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