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Testing

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Calibration Fluids

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Refractometers & Hydrometers

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Test Kits

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D&D Salinity Refractometer
£41.99
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In stock

JBL Ammonium Test Refill
£8.99
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In stock

JBL Buffer Solution Ph 4,0 50ml
£7.96
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Only 2 left in stock

JBL Buffer Solution Ph 7,0 50ml
£7.96
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Only 3 left in stock

JBL Calcium Test Kit
£14.70
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Only 2 left in stock

JBL CO2 Direct Test Refill
£6.54
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Only 4 left in stock

JBL Copper Test Kit
£16.40
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Only 1 left in stock

JBL Copper Test Refill
£8.07
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Only 2 left in stock

JBL Dest - Distilled Water 50ml
£2.29
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In stock

JBL General Hardness Test Kit
£9.17
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Only 2 left in stock

JBL Magnesium & Calcium Test Kit
£25.88
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In stock

JBL Magnesium Fresh Water Test Kit
£12.79
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Only 3 left in stock

JBL Magnesium Fresh Water Test Refill
Was £10.45
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Out of stock

JBL Magnesium Test Refill
£7.81
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In stock

JBL Nitrate Test Kit
£19.93
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Only 4 left in stock

JBL Nitrite Test Kit
£9.99
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In stock

JBL Oxygen Test Kit (New Colour Chart)
£14.70
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In stock

JBL PH 3.0-10.0 Test Refill
£4.92
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Only 5 left in stock

JBL Potassium Test Kit
£21.21
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Only 3 left in stock

JBL Potassium Test Refill
£15.55
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Only 1 left in stock