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1. Phanteks Flatline Ph-Cbrs_fl22 220 Mm Pci-E X16 Riser Cable - Black, Black

2. pH Buffer Solution - Milwaukee pH 4.01 25pk

   Ideal for infrequent or field use. Sealed against light and air. QUICK CONNECTIONS. AUSSIE WARRANTY.

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3. pH Buffer 4.01 Calibration Fluid suitable for Hydroponics 1L *Free P&P*

   pH Calibration Buffer Colour Coded pH 4.01(Red) - Product Code: PHCB4-E - Pack Size: 1 x 1L Description Highly accurate pH Buffer solutions for calibration of pH meters.

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4. Vitalink Essentials PH EC Buffer 4 Calibration Fluid CF Solution Hydroponics 1L

   Set to read CF28 at room temperature.

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5. Growth Technology pH Buffer 4 1L Calibrating Meters

   This just gives more reliability. The Growth Technology pH buffer solutions are each of a known and fixed pH ?. 4 and 7 respectively.

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6. 3-Pack pH Buffer 4 & 7 EC Standard Calibration Solutions 250ml Hydroponic Meters

   Looking for more?Quality garden, aquatic and hydroponic products for you to add to your basket. pH Buffer 4 + pH Buffer 7 + EC Standard.

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7. BUFFER 4 PH CALIBRATION SOLUTION 250ML

   VITALINK BUFFER 4 250ML. ALL IV - PH - AB - KW - PA - DD9 - KA27-28 = £10. Up to 20kgs. BT = £15 - ROI = £30. I.O.W = £10. Weight: 0.4kg.

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8. pH Buffer 4 Calibration Fluid suitable for Hydroponics 250ml **Free P&P**

   pH Calibration Buffer Colour Coded pH 4.01(Red) - Product Code: PHCB7-C-PP - Pack Size: 1 x 250ml Description Highly accurate pH Buffer solutions for calibration of pH meters.

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9. Essentials LAB Buffer 4 - ideal solution for calibrating pH meters at pH4. 250ml

   Highly accurate pH4 solution. Acidity level: pH4. Shake the bottle before use. Always pour a small amount into another container to test pH, and do not place your pH probe directly into the bottle. This will avoid contamination of the Buffer 4 in the bottle and will maintain its accuracy.

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