DerrickH Posted November 6, 2019 Share Posted November 6, 2019 I just bought an AI prime light, and I am wondering what mounting arm should I get? 12”, 18”, or 24”. Any suggestions help. Thanks Quote Link to comment
GetPsyched2124 Posted November 6, 2019 Share Posted November 6, 2019 depends on what size tank you have and how close to the water you want it to be I have the 18 inch flex arm over my 20 gallon cube and it works perfect Quote Link to comment
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