These are the 1 CFL bulb to rule them all. If you are only going to be using 1 bulb for both your grow and flower cycles, this is the one bulb to have.
These bulbs combine blue (6500k) and red (2700k) spectrums so that your plants can thrive no matter where they are in their grow cycle. These bulbs can effectively power your plants from seed through to harvest and are perfect for small places with limited budgets.
- Fits standard E40 mogul base socket
- recommended for use with CFL reflectors