Assertion: aquarium's gallon | /r/HasProperty | good for plant
Facets:
value: as a quick rule of thumb
type: PURPOSE
Source sentences:
text: As a quick rule of thumb, 2-4 watts/gallon of full-spectrum (or specialized "plant") lighting is good for plants; for fish-only tanks, use less than 1 watt/gallon, and avoid using plant bulbs.