Mars Hydro TSW2000

Last updated: November 2, 2026

Mars Hydro TSW2000
4.2/5#12 of 13 in 300 W and up grow lights
4.2

A mid size panel for a 3x3 ft tent of vegetables or a 4x4 ft tent of seedlings. Buy it direct for the lower price.

  • 300 WPower draw
  • 776 µmol/sPPF
  • 2.6 µmol/JEfficacy
  • 3x3 ftCoverage
Check price at Amazon$199.99Check price at Mars Hydro$169.99

Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Covers a 3x3 ft tent of fruiting plants or a 4x4 ft tent of greens and starts
  • Dimmer on the driver and daisy chain for up to 50 lights
  • Cheaper direct from Mars Hydro than on Amazon when checked
Cons
  • Lower efficiency than bar lights of the same wattage
  • App control needs a module bought separately

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 numberTSW2000
Light
Power draw300 W
PPF776 µmol/s
Efficacy2.6 µmol/J
Coverage3x3 ft
Spectrum660-665 nm red, 730-740 nm IR, 3000-3200K and 6000-6500K white
Build
FormPanel
DimmableYes
Controller or appYes
Warranty5 years

Alternatives in this power

Compare

Compare the Mars Hydro TSW2000 with any other LED grow light →

More from Mars Hydro: every Mars Hydro product ranked.