I posted 2 links above where you can get worms from. But yes, you can get them from your local bait shop or walmart as well.
One poster made it seem as if there were concerns with the worm source. I got some night crawlers that I chopped up and he gobbled up some of them. Every fish in the tank liked it.
Found a guy on ebay from Chicago selling 250 red worms for $15 shipped - so Im going to go through him next I think!
I've been feeding my fish worms from this shop for 4 years, no issues yet. Just started purging them about 2 years back. I'm sure they swallow tons of dirt, sand, debris in the wild so probably not a huge concern. I just know worm castings are full of nitrogen (use them in my gardens) so I prefer to rinse and purge to stop excess nitrogen ending up in my tanks
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Good deal - I tried your method tonight. Think I rushed it a little, but they did produce a lot of waste.
In the end I chopped them up so I just swirled the chopped pieces in cold water until they went clean.
Hoping now based on advice that having purged redworms on hand I can feed my ray every time he comes to the top of the tank telling me that he is hungry. Along with a planned feeding of worms in the morning and night with a noon feeding of my custom gel food.
Planning on taking two days off per week to do water changes.
I really appreciate the help guys, and Im sure my ray does too!