I finally got my CMH light in. I ordered it on March 4th. It arrived without the bulb, and after waiting two weeks for Vivosun to answer my email, I ordered one online. It worked for an hour and burned out. So I ordered another one, and it burned out too. Vivosun got back to me after a couple of weeks, and sent me a bulb. It was lost by FedEx, so they sent me another one. FedEx had problems with that shipment, but they got it worked out so that it was only late.
I know Vivosun wasn't in control of everything, but the long waits for support make me not a Vivosun customer anymore. I like growing with CMH, but not with Vivosun.
Anyhoo, I took down one of my Optic II Gen IVs and put up the HPS. With two fans it looks like heat is going to be a challenge but I'll run it for a couple of weeks before moving it to a shed outside that's easy to keep cool.
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In the lower right, I have four Strawberry Cough cuttings that I took a couple of days ago. They're doing very well! The four tiny pots that just showed up are Sinai Landrace regulars for a seed preservation run. I plan to keep running the seeds I get until I find my unicorn or die of old age.
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Immediately after installing the CMH light, the plants started growing fast and happy. It makes that much of a difference.