What are the standard length (34mm) pre-punched cartos good for?
One of my orders got goofed and I ended up with a 5-pack of these and I'm not sure what to do with them since they won't fit any of my tanks.
Any insight?
One of my orders got goofed and I ended up with a 5-pack of these and I'm not sure what to do with them since they won't fit any of my tanks.
Any insight?