muha Apr 17, 2011 Hello. I am interested in 70w HPS growing and I would like to know, does the 70w HPS need ballast or something or just need to plug the bulb into the socket. Is the socket E27 or E40? Please, write me on email [email protected]
Hello. I am interested in 70w HPS growing and I would like to know, does the 70w HPS need ballast or something or just need to plug the bulb into the socket. Is the socket E27 or E40? Please, write me on email [email protected]
