Mars Hydro TS600
#9 in Under 300 WFull review
A cheap starter panel for seedlings, microgreens or a few herbs. Spend a little more on a bar light for anything that fruits.
Amazon $59.99$59.99
The Mars Hydro TS600 is the better LED grow light overall, rated 2.8 to 2.2. The Mars Hydro TS600 leads on value, features and warranty. The HLG 100 V2 4000K wins on efficacy. The Mars Hydro TS600 costs $89.01 less ($59.99 vs $149).
HLG 100 V2 4000K
#10 in Under 300 WFull review
A simple, silent white panel for a shelf of seedlings or herbs. Hard to justify on price against the cheaper dimmable panels here.
Amazon $149$149
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Mars Hydro TS600 for value ($0.32 per µmol/s ($59.99, 190 µmol/s) vs $0.66 per µmol/s ($149, 224.5 µmol/s)), features (dimmable, controller or app vs none of the three) and warranty (2-year warranty vs 1-year warranty).
- Choose the HLG 100 V2 4000K for efficacy (2.4 µmol/J vs 2 µmol/J).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every under 300 W LED grow light; a clear win is highlighted. How we rank explains each one.
| Factor weight | Mars Hydro TS600 | HLG 100 V2 4000K |
|---|---|---|
| Overall rating | 2.8/5 | 2.2/5 |
| Value 30% | 72 $0.32 per µmol/s ($59.99, 190 µmol/s) | 25 $0.66 per µmol/s ($149, 224.5 µmol/s) |
| Efficacy 30% | 0 2 µmol/J | 43 2.4 µmol/J |
| Features 15% | 70 dimmable, controller or app | 0 none of the three |
| Warranty 25% | 25 2-year warranty | 0 1-year warranty |
Specifications
| Mars Hydro TS600 | HLG 100 V2 4000K | |
|---|---|---|
| Light | ||
| Power draw | 100 W | 95 W |
| PPF | 190 µmol/s | 224.5 µmol/s |
| Efficacy | 2 µmol/J | 2.4 µmol/J |
| Coverage | 1.5x1.5 ft | 2x2 ft |
| Spectrum | 650-660 nm red, 730-735 nm IR, 3000K and 5000K white | 4000K full spectrum white (Samsung LM301H) |
| Build | ||
| Form | Panel | Panel |
| Dimmable | Yes | No |
| Controller or app | Yes | No |
| Weight | - | 3.7 lb |
| Warranty | 2 years | 1 year |