Where to buy Algae Free replacement pads?

[-=James=-]

Originally Posted by Elias@caco3reef.com

You could get those stick on pads from a hardware store,that's what have been using for a ling time

I bought some velcro sticky pads from RONA. Would they be safe to use in the aquarium? It says not recommended for underwater use, whereas the Algae Free ones say they are non-toxic and safe. I think it will be fine. I can take the magnet out when im not using it if need be.