Grindal worms are small white worms that are great for feeding small fish. Our starter culture comes worms and complete instructions for growing you own Grindal worms in potting soil.  Grindal worms are easy to grow, live in our soil less bedding or in regular potting soil.. They are great for rearing fish fry and small amphibians. Try a starter culture today. Shipped via USPS priority mail Monday through Thursday.  Shipping is free for live Grindal Worms.