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Optimum O2
A powerful food grade hydrogen peroxide supplement. Helps germination, kills bacteria. Provides oxygen to root areas. Purifies water, removes chlorine.
• 6% ready-to-use 1litre and 4 litres
• 35% concentrate 1 litre, 4 litres, 20 litres |
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pH PEN CARE KIT
For proper care and maintenance of your pH pen, here’s everything you need: pH 4.0 and pH 7.0 calibration solutions, cleaning solution and storage solution -- in 4 handy 100 ml bottles. |
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PRO pH/TDS COMBO KIT
Convenient 4-pack with 100 ml each of pH 7 buffer solution, storage solution and cleaning solution, as well as 1382 calibration solution. |
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STORAGE SOLUTION
The electrodes of a pH pen must be kept moist at all times for the electrode to perform properly. When not in use, store electrode in this storage solution. 500 ml |
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CLEANING SOLUTION
To maintain accuracy, pH pens should have their electrodes cleaned on a regular basis (every week or two). Use this cleaning solution. 500 ml |
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pH CALIBRATION SOLUTION
Calibration of pH pens requires that you use a test solution with a known pH level.
Available: • pH 7.0 • pH 4.0
500 ml, 100 ml |
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Calibration SOLUTION (PPM)
Calibrating conductivity/salt meters requires a test solution with known salt levels. • 1382 ppm 500ml 100ml |
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