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HPS Lights Flowering

These HPS grow lights emit a red/yellow color spectrum and are exclusively for the flowering stage. They lack the blueish spectrum necessary for the growing phase.

Article

Lightbulb Philips Son-T Pia 600W
Lightbulb Philips Son-T Pia 600W
41.79 € *
apx. £36.75
incl. 19% VAT plus shipping"
available
Lightbulb Philips Son-T Pia 400W
Lightbulb Philips Son-T Pia 400W
24.95 € *
apx. £21.94
incl. 19% VAT plus shipping"
4.5 of 5 stars 2 available
Elektrox Super Bloom HPS 2000 K - various models
Choice available
Elektrox Super Bloom HPS 2000 K - various models
13.95 € - 54.95 € *
apx. £12.27 - £48.32
incl. 19% VAT plus shipping"
selection
Osram Vialox Nav-T Super
Choice available
Osram Vialox Nav-T Super
23.95 € - 36.95 € *
apx. £21.06 - £32.49
incl. 19% VAT plus shipping"
selection
Sylvania HPS-TS
Choice available
Sylvania HPS-TS
19.95 € - 29.95 € *
apx. £17.54 - £26.34
incl. 19% VAT plus shipping"
selection
Lumatek HPS
Choice available
Lumatek HPS
29.95 € - 54.95 € *
apx. £26.34 - £48.32
incl. 19% VAT plus shipping"
selection
Narva HPS NAT-VEG 600W
Narva HPS NAT-VEG 600W
39.95 € *
apx. £35.13
incl. 19% VAT plus shipping"
available
Narva HPS NAT-VEG 250W
Narva HPS NAT-VEG 250W
26.95 € *
apx. £23.70
incl. 19% VAT plus shipping"
available
Lumatek Pro HPS 600W 400V
Lumatek Pro HPS 600W 400V
59.95 € *
apx. £52.72
incl. 19% VAT plus shipping"
available
GIB Lighting Flower Spectrum Pro HPS 600W
GIB Lighting Flower Spectrum Pro HPS 600W
29.95 € *
apx. £26.34
incl. 19% VAT plus shipping"
available
GIB Lighting Flower Spectre HPS 400W
GIB Lighting Flower Spectre HPS 400W
22.95 € *
apx. £20.18
incl. 19% VAT plus shipping"
available
GIB Lighting Flower Spectre HPS 250W
GIB Lighting Flower Spectre HPS 250W
20.95 € *
apx. £18.42
incl. 19% VAT plus shipping"
available
600W Sunmaster HPS Deluxe Sodium
600W Sunmaster HPS Deluxe Sodium
35.95 € *
apx. £31.61
incl. 19% VAT plus shipping"
available
400W Sunmaster HPS Deluxe Sodium
400W Sunmaster HPS Deluxe Sodium
29.95 € *
apx. £26.34
incl. 19% VAT plus shipping"
available
Lightbulb Philips Son-T Pia 150W
Lightbulb Philips Son-T Pia 150W
17.95 € *
apx. £15.78
incl. 19% VAT plus shipping"
5.0 of 5 stars 2 available
Lightbulb Philips Son-T Pia 250W
Lightbulb Philips Son-T Pia 250W
21.95 € *
apx. £19.30
incl. 19% VAT plus shipping"
5.0 of 5 stars 1 available
Narva HPS NAT-VEG 400W
Temporarily out of stock
Narva HPS NAT-VEG 400W
29.95 € *
apx. £26.34
incl. 19% VAT plus shipping"
out of stock
1000W Sunmaster HPS Deluxe Sodium
Temporarily out of stock
1000W Sunmaster HPS Deluxe Sodium
84.95 € *
apx. £74.70
incl. 19% VAT plus shipping"
out of stock
HPS bulbs need a separate ballast to function and can't just be screwed into a bulb socket. These HPS bulbs produce more Watts (and are more expensive in terms of operation) than regular plant lamps, it is advisable for the "smaller" grower to revert to low-priced alternatives like energy-saving bulbs or fluorescent lamps.

The light quality and efficiency of HPS lights is very high, yet they get very warm, which may make the climate control more complicated.