B BIRDZY Active Member Sep 26, 2013 #1 Hello im wondering how many lumens my 25 year old mh is putting out? It has 2 grows on the bulb. Pretty much still new. Has it lost a lot? Should i buy a new system? Its a hydrofarm system no exhaust. Actually i bought it in the mid 80s. Thanx
Hello im wondering how many lumens my 25 year old mh is putting out? It has 2 grows on the bulb. Pretty much still new. Has it lost a lot? Should i buy a new system? Its a hydrofarm system no exhaust. Actually i bought it in the mid 80s. Thanx
G grorite Well-Known Member Sep 26, 2013 #3 if its that old I would be thinking about an upgrade very soon
