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Savings – Super Grow LED vs 1000w HPS

Super Grow LED electricity costs are approximately 50% of an equivalent HPS and the LED offers more intense light across a full spectrum which gives bigger yields per Watt.

Save on replacement bulbs. An HPS operates at full capacity for 2,000 to 3,000 hours versus the Super Grow LED at a massive 60,000 hours.

Save on ventilation costs and space. Super Grow LEDs produces near zero heat which means no heat signatures, no need for fans, exhaust and ventilation systems or extra space.

Replacing just a single 1000 Watt HPS lamp with 2 x Spectrum King™ (SK450) will save you over $1,000 in just three years and a lot of maintenance problems. See our calculations below.

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Savings calculator

Spectrum King™ (SK450)
250 Watt true draw each
1000W HPS + 150W Ballast
Units: 2 x SK450 = equivalent output as 1 x 1000W HPS 2 1
Lamp(s) kit initial cost -$1,698 -$250
Lights on hours per day 14 14
Lights on hours per year 5,110 5,110
Lamp life (hours) 60,000 2,500
Lamp replacement bulb cost -$1,698 -$45
Ballast life (hours) 60,000 20,000
Ballast cost (each) - -$85
Total Watts: 2 x SK450 = 500W or 1000W HPS + 150W ballast = 1150W 500 1150
Electricity cost per kW/h (cents) -$0.18 -$0.18
Year 1
Year 2
Year 3
Year 4
Year 5
Year 6
Year 7
Year 8
Year 9
Year 10
Hours lights run (accumulative at 14 hours per day) 5,110 10,220 15,330 20,440 25,550 30,660 35,770 40,880 45,990 51,100
Spectrum King™ (SK450) x 2 Initial cost -$1,698
New bulb costs - - - - - - - - - -
New ballast costs - - - - - - - - - -
Electricity cost @ 18 cents per kW/h -$460 -$460 -$460 -$460 -$460 -$460 -$460 -$460 -$460 -$460
Total costs per year -$2,158 -$460 -$460 -$460 -$460 -$460 -$460 -$460 -$460 -$460
1000W HPS x 1 (initial cost) -$250 - - - - - - - - -
New bulb costs given replacement every 3,000 hours use -$92 -$92 -$92 -$92 -$92 -$92 -$92 -$92 -$92 -$92
New ballast costs - - - -$85 - - - -$85 - -
Electricity cost @ 18 cents per kW/h -$1,058 -$1,058 -$1,058 -$1,058 -$1,058 -$1,058 -$1,058 -$1,058 -$1,058 -$1,058
Ventilation systems, fans, light deflectors required for HPS -$500 - - - - - - - - -
Total costs per year -$1,900 -$1,150 -$1,150 -$1,235 -$1,150 -$1,150 -$1,150 -$1,235 -$1,150 -$1,150
Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7 Year 8 Year 9 Year 10
Accumulative Savings: 2 x Spectrum King™ (SK450) vs. 1 X 1000W HPS -$258 $432 $1,122 $1,896 $2,586 $3,276 $3,966 $4,741 $5,431 $6,121

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