GrowMax Replacement Membrane (for Power Grow 500) heavy } tr:nth-child(odd) { background: #f2f2f2

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POWER GROW 500 RO Unit - produces up to 500 litres of pure water a day (20 litres an hour)

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so you get a nice even canopy and bigger overall yield

3 µmol/J efficiency

GrowMax Replacement Membrane (for Power Grow 500) heavy } tr:nth-child(odd) { background: #f2f2f2GrowMax Replacement Membrane Replacement membrane for the GrowMax Power Grow 500 RO Filter. It removes or reduces up to 95% of all salts and heavy metals. The harder your water, the more often this'll need replacing. Please note: This item is purchased to order which may cause slight additional lead times for delivery and local collection.