Hello,
I have a ATI powermodule 6*39W on my young 40 gallon aquarium. Because the tank is in period of maturation, i can't tell you about color of SPS.
but...there is NO heat pb : 0 heat !! and the powermodule is 2 inch of the surface !
=> I'm sure I don't need an chiller on summer! When I had a HQI on my 120 gallon, I used absolutely a chiller on winter and summer !
bye
xavier
France, Paris
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