Will 72 watts be enough light to grow plants?

[arny_plant]

Hey Guys

Will 72 watts be enough light to grow plants?

I have a 40 liter tank measuring 50cm x 33cm x 30cm

Thanks

 

[MrHidley]

Almost certainly, it's likely too much light in most peoples view. What kind of lights are they? T5? T8? LED?