Are blood worms ok for saltwater fish?

[Piscez]

Originally Posted by albert_dao

Live blackworms also have this miraculous properly of keeping fish mad healthy. I've fattened up and maintained so many finicky and/or challenging fish using these worms that I could probably buy a new motorcycle with the savings. Honestly, if they weren't such a pain, I'd have them on hand all the time.

Attractive prey movement + Very strong nutritional profile = great tool for acclimatizing and maintaining new fish!

Hey Albert where does one get these blackworms?