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Two frosted A19 LED grow bulbs with transparent base

Miracle LED

Miracle LED 602149 Blue Spectrum LED Grow Bulb 11W 2-Pack

SKU CH-ZYCZ-SC5Y2

Two 11 W LED grow bulbs deliver a 450 nm blue spectrum with a 270-degree beam for seed starting, replacing 150 W incandescent equivalents in standard A19 sockets

  • Product typeLight Bulbs
  • Product colorTransparent
  • Blue light at 450 nm drives strong seedling growth
  • 11 W LED replaces a 150 W incandescent equivalent
  • 270-degree beam spreads light evenly across trays
  • Shatter-resistant plastic housing survives accidental bumps
  • Two-bulb pack covers more growing area per purchase

Miracle LED 602149 Blue Spectrum Grow Bulb

This two-pack supplies 11 W LED bulbs that replace 150 W incandescent equivalents for seed starting. The blue spectrum peaks at 450 nm and spreads light through a 270-degree beam angle from a frosted A19 housing.

Suits indoor gardeners starting seedlings under

Growers who need a broad or full spectrum for flowering stages should look elsewhere, as the output is concentrated in the blue range. The bulbs are not rated for enclosed fixtures and require ambient temperatures above -4 °F.

450 nm peak wavelength drives vegetative growth

The single specification that decides fit is the 450 nm peak, which targets chlorophyll absorption for early plant development. Each bulb draws 11 W while delivering 150 W equivalent brightness in a shatter-resistant plastic shell.

How it compares

Measured against everything we stock in General-Purpose & Specialty Bulbs, at today’s prices. Recalculated every night.

Price $27.99
Pricier than about 65% of the 1,791 comparable items (median $17.99).

Specifications

Product
Brand nameMiracle LED
Product typeLight Bulbs
Product colorTransparent

Questions about this item

How much heat does the 11 W blue-spectrum grow bulb add when it runs continuously?

At 11 watts the bulb produces far less heat than a 150 W incandescent equivalent, so temperatures stay low even during all-day operation.

What fixture does the A19 bulb need to work?

The A19 shape fits standard medium-base sockets, so any household lamp or ceiling fixture that accepts a regular bulb will power it directly.

Will the 270-degree beam and omnidirectional spread cover seedlings on a shelf lit by older fluorescent tubes?

Yes, the wide 270-degree angle and omnidirectional output fill gaps between existing tubes, giving uniform blue light at 450 nm across the whole tray.

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