Can I use a 400w standard magnetic ballast on a 315w cmh bulb?

[DistyDemon]

1.3-1.5 how currently with cmh 1265w cmh in flower.

Let's see what 3x gavita pro 1700e will do vs the cmh.


@MIMedGrower
I have brand new 930 (flower) and 942 (veg) bulbs for sale. All t12 style (double jacket for any hood or open use.

 

[MIMedGrower]

1.3-1.5 how currently with cmh 1265w cmh in flower.

Let's see what 3x gavita pro 1700e will do vs the cmh.


@MIMedGrower
I have brand new 930 (flower) and 942 (veg) bulbs for sale. All t12 style (double jacket for any hood or open use.

You got 3 gavita led’s? Sshz just made amazing numbers with a pair of those.

And thank you but im good for now. If they are just going to end up on a shelf i might hit you up later?