MH lamps provide more of the blue/green spectrum, which is ideal for leafy crops, and/or plants that are in a vegetative (actively growing) stage. MH lamps provide a more natural appearance in color and are typically the choice for plants that have little to no natural light available. HPS lamps provide more yellow/orange/red spectrum, which is ideal for most plants that are actively fruiting and flowering. In addition, HPS lighting is the choice for growers looking to supplement natural sunlight. Ideally, the horticulturalist will use MH to grow their plants and HPS to fruit and flower their plants.
Articles in this section
- How do I clean the inside of my Sun System® Reflector?
- Is the socket assembly sold separate for Sun System® ballasts?
- Does a BT-56 lamp perform better than a BT-37?
- Which Sun System® Reflectors accept BT-56 bulbs?
- Which Sun System® Reflectors have built-in socket assemblies?
- What is a conversion bulb?
- Do I need to wear gloves when handling an HID light bulb?
- Can I run a 430 watt bulb in a 400 watt lighting system?
- Can I run a 1000 watt bulb in my 400 watt lighting system?
- Why do I need glass to get the ETL Listing on a Metal Halide light?