UK GROW Premium - 5L - Calci worms -Black soldier fly lave Similar to Dried Mealworms (5L)
Reviewed 9 August 2026 · price checked live
Check price on Amazon →Overview
UK GROW Premium - 5L - Calci worms -Black sits in our insects listings, where we rank by how buyers actually rate a product rather than by brand. The manufacturer says: What are Calciworms? Calciworms are the dried larvae of the black soldier fly, a harmless species of insect which originated from South America. Nowadays. A Great Alternative to Mealworms Mealworms are always a popular choice for bird feeding, but they can be an expensive treat for your feathered friends! Calciworms can be a great alternative. Those are the seller's own claims rather than our testing, so treat them as a starting point. On Amazon it holds 4.5 out of 5 from 71 ratings. What that score is worth next to its rivals is set out below.
- Brand
- UK GROW
- Amazon rating
- 4.5 / 5 from 71 ratings
- vs Insects
- level with the category median of 4.5
- Rank in category
- 20 of 47 rated insects we track
- Price position
- Mid-priced (category spans £5.29 to £69.99)
- How proven
- Well established, above-average review volume
How it compares in Insects
Across the 47 rated insects products we track, the typical score is 4.5 out of 5. This one sits at 4.5, which is around the middle of the category. Ratings alone will not separate it from its rivals here, so price and the specifics below matter more than the star count.
It carries 71 ratings against a category median of 25. That is enough of a base to take the score seriously without treating it as settled.
On price it sits in the middle third of a category running from £5.29 to £69.99, where the midpoint is about £9.99. That is the part of the range where most sensible buys sit, neither cutting corners nor paying for the name.
Worked out from the 50 insects products in our catalogue, not from the brand's own claims. How we rank →
Key features
- What are Calciworms? Calciworms are the dried larvae of the black soldier fly, a harmless species of insect which originated from South America. Nowadays, black soldier fly are present across most temperate climates in America, Africa, Asia and Europe. Dried calciworms are small, slightly puffed-up worms with a dark brown colour and a distinctly savoury aroma. They have a high protein and fat content, which makes them a fantastically versatile food for a wide range of bird species.
- A Great Alternative to Mealworms Mealworms are always a popular choice for bird feeding, but they can be an expensive treat for your feathered friends! Calciworms can be a great alternative as birds will love them just as much as mealworms. Just like mealworms, calciworms are a fantastic foodstuff that can be fed to wild birds and garden birds year round. They are particularly great during the winter months, when birds can find it hard to find a high-energy source of food elsewhere.
- Suitable for Blackbirds Robins Chaffinches Greenfinches Bullfinches House Sparrows ,Tree Sparrows Great Spotted Woodpeckers Yellowhammers
- Available in all sizes 1L 2L 3L 5L 10L 20L
- Calci Worms are a 100% natural highly nutritious protein rich treat for Wild Birds that will attract birds to your garden all year round. Calci Worms contain higher levels of Calcium than Dried Mealworms, so are ideal for feeding to the birds around breeding times as the Calcium helps in producing stronger eggshells. The Worms come in a handy plastic tub that has a re-sealable lid, which avoids waste & mess and keeps the feed fresh.
- Calci Worms are perfect for those people who do not wish to handle live worms. All the goodness without the “squeamish” factor.
