Lights · Planted LED

Fluval Plant 3.0 46W

Adjustable mounting range 36–46 in; maker publishes 3,300 lm and PAR at several depths.

Programmable full-spectrum planted-tank LED with app and touch controls.

Consider: App control is part of the setup. Check that your phone supports the Fluval app, then measure the tank span against the 36–46 inch mounting range.

US version, item 14522. Check what’s in the box before you buy.

Spans a 36¼ in long tankDrawn to scale on a 30 gallon (example). Published span 36–46 in; the dashed line is how far the brackets extend.
Drawing of an aquarium light (not a photo of the Fluval Plant 3.0 46W)

Fixture span

36 to 46 in

Choose your tank to see where it falls.

Check it against your tank →

Specifications that affect fit

Power
46 W
Supply voltage
120 V / 60 Hz
Dimensions
36 × 2.5 × 0.75 in (L × W × H)
Published fixture size range
36–46 in
Light reaching the plants (PAR)
470 at 3 in · 267 at 6 in · 112 at 12 in below the light, by Fluval’s figures. Check it at your tank’s depth →

To see what it costs to run, enter the watts on its label and your daily hours in the electricity cost calculator.

Before choosing this model

  • Match fixture span to tank rim width.
  • Use depth-specific PAR rather than wattage alone for plant planning.

What Fluval doesn’t publish

  • Fluval’s page gives 36–46 inches under aquarium size and 36–48 inches under size range. If your tank is over 46 inches, check the brackets in the box before relying on the longer figure.

A light that spans your tank can still be too weak for demanding plants: see how to choose one.

Check it against your tank → Something not working? See the troubleshooting guide.

Included items & upkeep

  • light fixture
  • extendable mounting legs
  • power supply

Plan for the routine work

  • Keep the fixture and connectors within the manual’s placement limits.
  • Use the timer to keep a consistent photoperiod.

To budget for replacement media and supplies, use the first-year cost calculator. For how often and how to clean it, follow the maker’s manual.

Manufacturer instructions