do all ballasts run both hps and mh bulbs

A

andyfoster10

Well-Known Member

• Nov 15, 2008

• #1

as the title say do certain ballasts run say hps but wont run mh even if the watt is the same

thanks

 

grobofotwanky

Well-Known Member

• Nov 15, 2008

• #2

Only a switchable ballast will run hps and mh bulbs. You can purchase conversion bulbs though.

 

A

andyfoster10

Well-Known Member

• Nov 15, 2008

• #3

how do you tell if your ballast runs mh or hps

 

suretokealot

Well-Known Member

• Nov 15, 2008

• #4

A digital ballest will run both HPS and MH bulbs but they have to be the same watts