lights

There are a few things you need to keep in mind First of all if your not adding extra co2 you don’t need more than 600w hps light,this is the max light they can consume without extra co2 If you go for an 400w hps you could combine it Second thing is there are 3k cmh and 4K cmh If you want to add cmh to hps for the full spectrum I would go for the 4K,this is a full spectrum cmh which is more on the blue side used mostly for veg If you add the 3k (full spectrum red)your are just adding more red The one thing you could say is beneficial in both bulbs is the uv light And keep in mind a 315w cmh is almost as powerful as a regular 600hps especially when your fixture has an overdrive mode to 380w like a dimlux cmh I did my first runs with 400whps and a mars reflector 96 (185w) for the full spectrum and it worked great but since a few weeks I’m running a 315 cmh and I have to say it out grows the combo light even with 200w less power consumption I’m so happy with it i made the transfer to cmh in al my tents no more leds or hps for my cmh al the way One thing I must say is be careful with the uv spectrum of the cmh It can cause skin burn and it’s adviced to use some uv protection for your eyes Happy growing and stay safe 🌱✌️