Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (http://www.tropicalfishkeeping.com/)
-   Beginner Saltwater Aquariums (http://www.tropicalfishkeeping.com/beginner-saltwater-aquariums/)
-   -   MH Lighting question (http://www.tropicalfishkeeping.com/beginner-saltwater-aquariums/mh-lighting-question-18586/)

aquakid 10-13-2008 06:16 PM

MH Lighting question
 
how high above the aquarium should i place a metal Halide Pendant

Kellsindell 10-19-2008 09:20 PM

how strong are they?

Kellsindell 10-19-2008 09:22 PM

i also forgot, is there a shielding on them? and do you have good ventilation?

ohturtle 11-08-2008 09:20 PM

Height will depend on heat, height of tank, type of corals and where they are placed. It is a very hard question to answer. A good rule is about 12 inches above water.

Kellsindell 11-10-2008 03:36 PM

I don't agree with 12in from the water. i personally use 4in and i know many that do the same and keep great tanks.


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