AutoAqua Smart ATO Lite SATO-280P Auto Top Off System vs EcoTech Radion XR15 G6 Pro LED Reef Light

Head-to-head spec comparison to help you pick the right product for your needs.

AutoAqua

$99

vs

EcoTech Marine

$599

Spec Winner

EcoTech Radion XR15 G6 Pro LED Reef Light

Wins on 5 of 9 spec categories

Spec-by-Spec Comparison

SpecAutoAqua Smart ATO Lite SATO-280P Auto Top Off SystemEcoTech Radion XR15 G6 Pro LED Reef Light
CategoryAuto Top OffLED Light
Tank SizeAny — universal gal24x24" coverage (2x2 ft) gal
Wattage5 W95 W
Flow Rate70 GPH0 GPH
PAR @ 12"0 µmol600 µmol
SpectrumN/A10 channel (Cool White, Warm White, Royal Blue, Blue, Green, Red, UV 395/405/415/430nm)
Noise LevelSilent dBLow — active cooling with quiet fan dB
App ControlNoYes
WiFiNoYes
Dimensions3.5" x 2" x 4"7" x 7" x 1.5"
Weight0.8 lbs3.5 lbs
Warranty1 years2 years
Price$99$599
Rating9.0/109.4/10
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Pros & Cons

AutoAqua Smart ATO Lite SATO-280P Auto Top Off System

Pros

  • Dual optical sensors with QST fail-safe — no moving parts to stick or fail
  • All-in-one system — pump, sensors, and controller integrated
  • Magnetic mount installs in seconds with no drilling or suction cups
  • Under $100 — the most affordable reliable ATO in the hobby
  • Compact form factor works on nano tanks and large systems alike

Cons

  • Pump flow rate is modest — large tanks may want a more powerful ATO
  • No app control or alerts — basic set-and-forget operation
  • Tubing included is short — plan to buy extra for longer runs

EcoTech Radion XR15 G6 Pro LED Reef Light

Pros

  • 50 diodes across 10 channels including UV at 395/405/415/430nm — most spectral control available
  • Mobius app ecosystem integrates with VorTech pumps and Versa dosers
  • 126.3-degree wide lens spread reduces hot spots
  • G6 generation significantly improved PAR uniformity over G5
  • EcoSmart wireless makes multi-fixture synchronization seamless

Cons

  • Premium price — $599 per unit adds up fast on larger tanks
  • Mobius app has a learning curve compared to simpler controllers
  • Heavier than AI Hydra at 3.5 lbs per unit

Our Verdicts

AutoAqua Smart ATO Lite SATO-280P Auto Top Off System

The AutoAqua Smart ATO Lite is the first piece of equipment every new reefer should buy. Evaporation is the #1 parameter killer in reef tanks, and this $99 device solves it permanently. Dual optical sensors mean it won't overflow, magnetic mount means zero hassle, and it just works. Essential gear.

EcoTech Radion XR15 G6 Pro LED Reef Light

The Radion XR15 G6 Pro is the most technologically advanced reef light you can buy. Ten independently controllable channels with four UV wavelengths give you unprecedented spectrum customization. If you're already in the EcoTech ecosystem or want the absolute best light science available, this is endgame reef lighting.

AutoAqua Smart ATO Lite SATO-280P Auto Top Off System

$99

EcoTech Radion XR15 G6 Pro LED Reef Light

$599

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