I've heard rona sells the cheaper ones or check some of the auto parts stores. Home depot used to have them but they were quite expensive. I dont know if you have one down there but up here midland tools sells them. you could check with the greater victoria aquarium club(TGVAS) someone there probably has some you could use.
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72 gal bowfromt mixed reef sps dominated, 25 gal mineral mud type sump/refugium Skimmerless
2x250 14000k phoenix hqi 2x96 pc actinic, 50x flow
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