Northern Lights Hydroponic & Garden Supply - Grow Guide - Madison Heights, MI
(248) 439-6269 - Open 7 Days
Hydroponically grow lettuce  Northern Lights Grow Guide

Click on any of the links below to find useful facts and information.
Know the language used in the horticulture industry

Why use supplemental lighting for indoor gardening?
Learn which type of lighting is best for you

FAQ- Horticulture Lighting
Learn about HID lighting, how it works, and how to use it

Understand the spectral Distribution Chart, Color rendering Index, and learn when to replace your lamps.
Use this handy guide to figure out the cost of using various fixtures

Conversions / Quick Reference
Not all labels go by the same measurements. Use this chart to find out exactly what equals what.

Insect ID
Identify whats living in your garden with this picture chart