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Growing Cannabis (600W) Shopping List

by Nebula Haze

600W HPS grow lights

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600W HPS Grow Setup (For Hobbyist Growers)

  • Average Yields: 10-21 ounces
  • Harvest every 4 months to get about 2.55 - 5.25 oz/month
  • Recommended 2-8 plants
  • Grow space is 3.5’x4’x6’ or larger
  • See a grow journal using this setup

Estimated Costs

  • Setup Cost: $780.00
  • Estimated Electricity Cost: $61-128/month (based on $0.12/kWH to $0.25/kWh - see breakdown)
  • Total Cost for Entire First 4-Month Grow (Setup + Electricity): $1292 ($61-130/ounce)
  • Total Cost for Second Grow (Nutrients + Electricity): $542 ($26-54/ounce)

* Alternative/Equivalent LED Grow Light: Kind LED Grow Light "K5 XL1000"

Check Out Different Grow Setups

Examples of this Setup

These marijuana plants are living in the "600W" setup

A carbon scrubber prevents odors from leaking out of the tent in the flowering stage

Carbon filter and exhaust system in a 4'x4'x7' grow tent with 600W MH/HPS

Marijuana plants growing under a 600W HPS in a grow tent

On average this setup yields 10-21 ounces

Cannabis plants growing in a 4'x4'x7' tent under a 600W HPS grow light


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Grow Space Recommended Alternative / Notes Cost
☐ Grow Tent A 4'x4'x6.5' grow tent A tent or grow space that is 3.5’x4’x6’ or larger $120.00
☐ Exhaust Fan Can Max 6" Fan - 334 CFM A strong 6" exhaust fan - hang inside tent to quiet $70.00
☐ Odor Control  
→ Carbon Scrubber 6-inch Phresh Filter, 400 CFM, 6" x 16" version Must be hooked up to exhaust fan to remove odors $130.00
→ Ona Gel (optional) Ona Gel in Original Scent Effective for hiding odors in living spaces, but do not place too close to plants or it may affect their smell! $18.00
☐ Thermometer IncuThermTM Digital Thermometer Hygrometer This model is meant for incubating chicken eggs, but I like how accurate it is. Anything that measures temperature & humidity will do. $15.00
☐ Small Fan(s) For inside the grow space - 2 small oscillating fans May want additional clip-on fan(s) for extra air circulation $50.00
Grow Light Recommended Alternative / Notes Cost
☐ 600W Grow Light   Alternative: Kind LED Grow Light "K5 XL1000"  
→ Hood Hydro Crunch Large Air Cooled Grow Light Reflector with 6" Duct & Glass Panel A 6” air-cooled reflector. Make sure it's air-cooled! $70.00
→ MH Bulb 600W Metal Halide bulb (for the vegetative stage) Any new 600W MH bulb (don't get used bulbs) $25.00
→ HPS Bulb Digilux 600W HPS Bulb (for the flowering stage) Any new 600W HPS bulb will work (don't get used bulbs). If possible get one rated at 90,000 initial lumens as it is the brightest 600W HPS bulb. $60.00
→ Ballast Apollo Horticulture APL600 (MH & HPS) Digital, Dimmable Ballast 600W digital ballast for MH/HPS (dimmable is nice) $90.00
☐ Rope Ratchets Get at least 2 pair; one pair for grow lights & one pair for the carbon filter Sometimes included with your grow light $16.00
Nutrients & pH Recommended Alternative / Notes Cost
☐ Base Nutrients Dyna-Gro Foliage Pro & Bloom (works for soil, coco coir or hydro) $30.00
☐ Cal-Mag Supplement Botanicare Cal-Mag Plus $18.00
☐ pH Testing Kit General Hydroponics pH testing kit (with PH Up & PH Down) $19.00
☐ Measuring Spoons Standard measurement spoons Most of us already have these in our kitchen $13.00
Growing Medium Recommended Learn More Cost
☐ Choose One      
→ Super Soil Super Soil is amended & composted soil that is alive with microorganisms $40.00
→ Soil The most common hand-watered growing medium $30.00
→ Coco Coir A hand-watered growing medium made of coconut husks $30.00
→ DWC / Hydro Roots are suspended in oxygenated water, resulting in faster growth and bigger yields $125.00
Miscellaneous Recommended Alternative / Notes Cost
☐ Get Seeds (learn where to get seeds in the US) Varies
☐ 24 Hour Timer Electrical timer by Hydrofarm Digital or mechanical - Any timer will do $10.00
☐ Plant Twist Tie Grower's Edge Twist Tie w/ Cutter Any twist tie meant for plant training (say you need something to hold up vines) $6.00
☐ Water Containers Get 1 and/or 5-gallon containers (like the ones you’d get with water delivery) For mixing nutrients and moving water $10.00
☐ Ducting & Ducting Clamps 6-inch flexible ventilation ducting & 3 pairs of 6” inch ducting clamps To connect carbon filter to hood to exhaust fan $10.00
☐ Check out this list of helpful grow tools you might not know about  
    Estimated Cost: $780.00
    (plus $30-125 for growing medium)


View Additional Examples of Grower Shopping Lists


Estimated Total Electricity Cost for 600W Grow Light and Fans = $128/month

This includes the cost of running the grow lights and fans.

Electricity Cost for MH/HPS Grow Light: $84/month (based on $0.25/kWh)

Total hours: 558 light hours/month (grow lights are on 18 lhours/day for 31 days)

MH/HPS Grow Light Wattage: 600W 

At $0.25/kWh (everyone is charged different rates, but this is about average for cities), the monthly cost of electricity for the light is...


558 x (0.25 x 0.600) = $84


Electricity Cost for Exhaust Fan: $23/month

Total hours: 744 fan hours (fan is on 24 hours/day for 31 days)

Exhaust Fan Wattage: 120W

At $0.25/kWh (everyone is charged different rates, but this is about average for cities), the monthly cost of electricity for the light is...


744 x (0.25 x 0.120) = $23


Electricity Cost for 2 Oscillating Fans: $21/month

Total hours: 744 fan hours (fan is on 24 hours/day for 31 days)

Exhaust Fan Wattage: 55W x 2 = 110W

At $0.25/kWh (everyone is charged different rates, but this is about average for cities), the monthly cost of electricity for the light is...


744 x (0.25 x 0.110) = $21