welcome to the kootenays!!
how old is the sand? i'd look to rinse the sand and get rid of the build up of crud.
if your interested i could introduce you to some of the local reefers 
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tanks:
120g w/starphire front, pm bullet 2 skimmer, yellow tang, emperor angel, niger trigger, spotted hawkfish, blue tang, flame angel and 120lbs lr
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