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Duotone bay — asphalt brief on the left, yellow-folded service sheet on the right.
Rockwool cubes and slabs
the ventilation inline duct fans are very versatile
ensuring a clean and precise cut for your plants
• Often referred to as a 6” cube with hole
If you have white burns
Aqua Master EC 1413 Calibration Solution Size:500ml Rockwool cubes and slabsAccurate EC Calibration Made Easy Keep your electrical conductivity (EC) meters precise with this reliable calibration solution from Aqua Master. Formulated to a standard conductivity of 1413 S cm at 25 C, this solution ensures your meter delivers consistent, accurate readings every time. Essential for hydroponics, nutrient management, and water quality testing. Why use this calibration solution? Standardised for precisionDesigned for EC meters that
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