Or you can read the printing on the tube to identify the correct replacement type.
Build your own fluorescent light fixture.
This greatly decreases the cost of the fixture.
Locate a ballast as i mentioned above i have been recently experimenting with using spiral cfl ballasts to power other bulbs.
I want to build several letters out of fluorescent light bulbs for example one letter is o but it will look more like.
Now for building your own fixture.
A fluorescent tube that is failed or failing usually has darkened areas near one or both ends of the tube.
For t5 s and pc bulbs the wattages are basically equivalent.
Each letter will be constructed of 4 lights.
Build a customized fluorescent lamp system t5 when growing seedlings and plants in the vegetative stage using fluorescents is a great way to provide the beloved plants with bright and balanced light.
To replace remove the old tube and bring it to the hardware store.
This is great fixture for growing plants.
Just attach the bulb ballasts plug it in.
A burnt out lamp is the most common reason any light fixture does not light.
From scratch without buying light fixtures and taking them apart.