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MORE MERCURY VAPOUR Q's

To: Aquatic-Plants at actwin_com
Subject: MORE MERCURY VAPOUR Q's
From: taburnok at skyinet_net
Date: Tue, 15 Sep 1998 16:10:11 +0800

STEVE WROTE :

>The main disadvantage with mercury lamps is you get about a third more light
>[photosynthetically  active radiation] out of a metal halide of the same
>wattage.

snip snip ..

yes but how are they compared to flourecents ... and another thing .. they
cost 1/3 of the price MH bulbs go for too ..and i THINK .. they produce less
heat that MH bulbs .. is it true that they produce blue light .. ive never seen
any of these in action .. just an idea id be willing to try .. seems more
hi-tech than the normal flourecents .. SEND FEEDBACK

TIA
MIKE

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