Aquarium Lighting Calculator

Estimate needed lighting intensity based on tank depth and plant demand (low, medium, high-light).

Target PAR at substrate
20–30 PAR
  • Java fern, Anubias, cryptocorynes thrive.
  • Standard LED strip is enough.
  • 6–8 hours photoperiod.

Examples

  • 20 gal, low-light plants20–30 PAR at substrate
  • 40 gal, carpet plants60–80+ PAR, CO2 recommended

Frequently asked questions

Related reading