Mars Hydro FC1500
#2 in Under 300 WFull review
An efficient bar light for a small tent of herbs, greens or a few vegetable plants.
Amazon $115.99$115.99
4.5/5
A low cost, app controlled bar light for a 2x2 ft seedling or herb tent. It matches pricier bars on efficiency.
- 150 WPower draw
- 426 µmol/sPPF
- 2.8 µmol/JEfficacy
- 2x2 ftCoverage
Check price at Amazon$109.99
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Bar light efficiency at a price close to a basic panel
- App control for schedules and dimming is built in
- Spreads light more evenly than a single board over a 2x2 ft tent
- Up to 50 lights can be linked and dimmed from one master
Cons
- Coverage tops out at about 2.3x2.3 ft
- Amazon listed it for later shipping rather than in stock
The Spider Farmer G Series family
Every Spider Farmer G Series model we rank, smallest first. Ratings compare each against its own power.
| Model | Power draw | Rating | Price |
|---|---|---|---|
| Spider Farmer G1500 (this one) | 150 W | 4.5/5 | $109.99 |
| Spider Farmer G4500 | 320 W | 4.5/5 | $189.99 |
| Spider Farmer G5000 | 480 W | 4.5/5 | $299.99 |
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its power. How we rank explains each one.
Specifications
| Model number | G1500 |
|---|---|
| Light | |
| Power draw | 150 W |
| PPF | 426 µmol/s |
| Efficacy | 2.8 µmol/J |
| Coverage | 2x2 ft |
| Spectrum | 660-665 nm red, 730-740 nm IR, 2800-3000K and 4800-5000K white |
| Build | |
| Form | Multi-bar |
| Dimmable | Yes |
| Controller or app | Yes |
| Weight | 5.3 lb |
| Warranty | 5 years |
Alternatives in this power
Mars Hydro FC-E1500
#3 in Under 300 WFull review
A low cost, efficient bar light for a 2x2 ft tent of seedlings, herbs or greens.
Amazon $105.99$105.99
Spider Farmer SF2000
#5 in Under 300 WFull review
A quiet single panel for a 2x4 ft tent or a seedling shelf. Choose it for its simple build; a bar light gives more light for the money.
Amazon $159.99 Spider Farmer $155.99$155.99
Compare
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