replacing lights

mcintyre92

Member
i have coralife power compact lights for my 75 gal. tank and im overdue on getting new ones
im getting new ones shipped in the mail right now
i know you are not supposed to change all the lights at the same time
there are 4 different lights 2x 65watt actinic
and 2x 65 watt fluorescent
how long should i wait in between changing each light?
thanx
 
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