Metal Halide killing fish

51733ChristyT

Registered Member
Jun 28, 2004
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Louisiana
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We bought a 70 watt 10K metal halide off ebay. 2 days after we put it in it had killed more that $100 of our life in the salt water aquarium. Our local dealer says maybe it needs a UV glass on it (looks like it has a place for one). Can anyone be more specific on what type of glass we should have.
 
Treated glass that filters the UV rays. Should be able to get one from the manufacturer of the MH.

This is very important--MH light can be damaging to everything in the aquarium, from fish to inverts, including corals--and to the aquariast poking around in the tank.
 
unless its a double ended bulb, theres no need for tempered glass to block the UV.

Are you sure the temperature hasent risen after the bulb install?
 
in that case, you need a piece of tempered glass to go below the bulb.
 
lamps-now_1801_3862220
 
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