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Light problem!

We had a problem with the HPS lamp in our fixture and it blew out in about a month. The new lamp didn’t work and the replacement lamp for that worked one day. I think we have a ballast problem in our switchable fixture. The MH works fine and that’s what we had to go back to until I hear back from the company about the fixture. The hairs are browning, but slowly. Any idea how bad the repercussion of going back to MH during flowering will do?

Thought I was two weeks from harvest, but hairs are browning waaay slow and buds are still not full like I think they should be. Thanks for any advice!

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