Mars Hydro FC-E3000
#1 in 300 W and upFull review
A good value, water resistant bar light for a 3x3 ft tent of fruiting vegetables.
Amazon $169.99$169.99
4.5/5
A good value bar light for a 2x4 ft tent of vegetables, with app control and far red included.
- 320 WPower draw
- 913 µmol/sPPF
- 2.9 µmol/JEfficacy
- 2x4 ftCoverage
Check price at Amazon$189.99
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Strong output per dollar for a 2x4 ft tent
- App control and dimming are built in
- Adds far red diodes, which help flowering and fruiting plants
- Bar layout covers a long rectangular space evenly
Cons
- The maker store had it only on pre-order when checked
- Rectangular footprint does not suit a square tent
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 | 150 W | 4.5/5 | $109.99 |
| Spider Farmer G4500 (this one) | 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 | G4500 |
|---|---|
| Light | |
| Power draw | 320 W |
| PPF | 913 µmol/s |
| Efficacy | 2.9 µmol/J |
| Coverage | 2x4 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 | 10.2 lb |
| Warranty | 5 years |
Alternatives in this power
Mars Hydro FC-E4800
#2 in 300 W and upFull review
A water resistant bar light for a 4x4 ft tent of tomatoes, peppers or cucumbers, at a lower price than most lights its size.
Amazon $289.99$289.99
Spider Farmer G5000
#4 in 300 W and upFull review
A strong value bar light for a 3x3 to 4x4 ft tent of fruiting vegetables, with the same published output as the pricier SE5000.
Amazon $299.99$299.99
Compare
Compare the Spider Farmer G4500 with any other LED grow light →
More from Spider Farmer: every Spider Farmer product ranked.