Blue end spectrum lamps are best for propagation and vegetative growth, as blue light inhibits stem elongation and gives lush green foliage. One blue frequency lamp will counter act up to 3 red frequency lamps. Red end spectrum lamps are better suited for flowering as they stimulate stem elongation.
HID lamps should be replaced every 12 months.
Grow Free
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Magnetic 250W HPS Light
£89.99 £44.98
Save: 50% off
Save: 50% off
Phillips Master GreenPower CGT 600W E40
£49.99 £34.99
Save: 30% off
Save: 30% off
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