Cyber Posted March 8, 2003 Share Posted March 8, 2003 Hello, I heard here and there that MH releases UV ray that may cause harm to the livestock. So when using MH, the user need to have an UV len to block these rays. Is that correct? I am new to MH and in waiting for my MH to arrive. Thanks Cyber Link to comment
blufrogu Posted March 10, 2003 Share Posted March 10, 2003 i think only the HQI bulbs need UV protection. Link to comment
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