T5 lamps are 40 smaller than t8 fixtures but are capable of containing just as much and sometimes more light in.
T5 vs t8 vs t12 grow lights.
Considerably more efficient than their predecessors the t8 and t12 bulbs t5s boast a higher brightness output with less energy used per lumen produced.
If brightness is your main requirement then t8 is the better option.
Many indoor gardeners prefer t8 grow lamps over t12 because they produce more overall lumens than regular t12 fluorescent bulbs have a longer life and are more efficient.
You should buy the t5 light if it can be hung about 4 to 8 inches above your plants but the t8 light if there isn t that much space in your grow room and you can hang them up below those 8 inches.
But in general you can control your heat with ventilation and frequent watering so you can put t5 lights closer and also move t8.
T12 if you are looking to replace the fluorescent tube lighting in your office warehouse house or another area comparing the different kinds of tubes will help you in your selection.
If efficiency and modest yet still bright lighting is what you need to acheive consider t5 tubes.
Buying t8 vs t5 depends on your requirements more than anything else.
While it obviously isn t a good idea to switch from t8 to t5 in the above scenario it would be very good if it were a switch from t12 to t5 standard output lighting.
Indoor plant growing also known as grow lights t8 vs t5.
The advantage of the t5 high output bulbs is that they are even more efficient than the t8 by about 9 can produce more light in a smaller amount of space and use less.
T5 standard output lamps have their place it s just understanding the applications and the desired results.
T5 bulbs are the latest generation of tubular style lighting with a diameter of 5 8ths of an inch.
Like the t5 the t8 tube creates light through advanced electronic circuits and are available in standard 2 3 4 and 5 foot lengths.
T12 fluorescent light buying guide fluorescent light buying guide.