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A21 frosted LED grow bulb with blue spectrum finish

Miracle LED

Miracle LED 602124 Blue Spectrum Hydroponic LED 12W

SKU CH-R4XT-TVGJ0

A 12 W LED grow bulb with a blue 450 nm spectrum for seed starting, 150 W incandescent equivalency and a 180-degree beam

  • Product typeLight Bulbs
  • Product colorTransparent
  • Blue spectrum at 450 nm drives seed germination
  • 12 W LED replaces 150 W incandescent equivalent
  • 180-degree beam spreads light across canopy
  • Shatter-resistant plastic housing survives bumps
  • Starts at -4 °F for cold-room growing

Purpose and fit

The Miracle LED 602124 is a 12 W LED grow bulb built for seed starting with a blue spectrum that peaks at 450 nm. It replaces a 150 W incandescent equivalent and fits standard sockets with its A21 shape and frosted finish.

Thermals noise and power

The bulb draws 12 W and is rated for enclosed fixtures, so heat stays manageable in typical hoods or reflectors. Its plastic housing is shatter resistant and the unit starts reliably down to -4 °F.

Sustained load behaviour

Under continuous operation the blue spectrum output remains steady for long germination cycles. The 180 degree beam angle gives a focused spot distribution without the intensity drop off seen in short bursts.

How it compares

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

Price $19.99
Typical for this category: the median of 1,791 items is $17.99.

Specifications

Product
Brand nameMiracle LED
Product typeLight Bulbs
Product colorTransparent

Questions about this item

How do I install the A21 bulb and what step is often missed?

Screw the bulb into a compatible socket; the step people miss is verifying the fixture is rated for enclosed use, which this bulb supports.

What maintenance or replacement will the 12 W LED grow bulb need later?

The LED module is not user-replaceable; plan to replace the entire bulb after its rated life or if output drops below useful levels for seed starting.

What limit appears first during sustained use of the 450 nm blue spectrum bulb?

Heat buildup in the plastic housing is the first limit; the bulb is rated for enclosed fixtures and a minimum starting temperature of -4 °F.

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