Pretty sure @reefdiver at Sustainablemarinecanada has some in stock in London.
Sealifecentral in London might have some?
Not sure is @nathan from Extreme Aquarium in Sarnia might carry it.
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Post a pic of it again and we can probably tell you pretty quickly and give you a better sourceI just recently got this RO/DI unit online. How do I know if it is a refillable cartridge ? Just if I can unscrew the cap off?
I'd test your tds right after the ro membrane as well.Is there anywhere local around Sarnia/London area where I can buy DI Resin Cartridges? Besides online? My TDS meter is now reading 17. So i think thats what I need to change.
Thanks
I just recently got this RO/DI unit from Kijiji online. How do I know if it is a refillable cartridge ? Just if I can unscrew the cap off?