Quote:
Originally Posted by Samw
Given the same ballast and bulb brand and color temp, the SE will give slightly higher PAR.
Example output:
250W Icecap Ballast
10K Ushio SE: 85 PPFD
10K Ushio DE Shielded: 65 PPFD
10K Ushio DE Not Shielded: 78 PPFD
250W PFO HQI Ballast
10K XM SE: 182 PPFD
10K XM DE Shielded: 109 PPFD
10K XM DE Not Shielded: 136 PPFD
250W PFO HQI Ballast
10K AB SE: 130 PPFD
10K AB DE Shielded: 104 PPFD
10K AB DE Not Shielded: 128 PPFD
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Considering a DE bulb should never be run "Unshielded" the SE will give significantly more, not slightly more, PAR output.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
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