Cuttlefish bone
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Cuttle Bones: A Must Have in Any Snail Tank

Are you looking for a high-calcium diet for your snails or shrimps to grow healthy solid shells? Look no further than cuttlebone. These bones are high in calcium and a must-have in any aquarium.

What is the cuttlebone?

Cuttlebone is not actually bone, and it is the internal shell of a cuttlefish that has no use in its life after it hatches. Cuttlebones are usually mined from rock quarries or extracted directly out of cuttlefish while still alive.

The most common use of cuttlebone is as a bird toy. However, It’s not just for birds! Hobbyists found that the aquarium creatures will eat or rasp at the bone as they see fit to get the calcium their growing shells need. Cuttlebone is highly recommended for snail species that have a hard time getting enough calcium from other food such as Nerites and Mystery snails. 

What is a cuttlebone made of?

Short answer, calcium. The cuttlefish bone is a fascinating mix of calcium and other minerals. Calcium carbonate (CaCO3) makes up 40% of its weight, it also contains other elements, such as Iron, Potassium, and Zinc.

What are cuttlefish Bones used for? 

For a cuttlefish, the cuttle bone is filled with gasses and helps control its buoyancy in water. For years people have harvested these bones for various purposes; one of their most widely recognized uses has been to use it as an exercise toy or supplement on birds’ diet with this mineral, which can be hard to come by in nature!

Is cuttlebone safe for aquariums fish?

Yes, Cuttlebone is safe for aquariums fish. From what I know, one gram of fully dissolved cuttlebone produces 1.5 grams of Bicarbonate1.5 1.5 grams will dissolve slowly over a long period of time. If you worry that it will change GH and KH too much, try adding one-inch square piece of cuddle bone for every 10 gallons. Don’t forget to test your water for ammonia nitrite and nitrate levels for schedule.

How to use cuttlebone in a snail tank?

Well, this is where the fun begins! We’re going to take all of those fancy cuttlebones and start using them in your tank. There are many ways to you can try:

The Safe Way

As we mentioned early, adding cuttlefish bones may raise the KH and GH a bit, while higher KH levels will raise ph, which will degrade the snail’s shells in acidic water conditions, no matter how much bones you added. 

Therefore, the safe way is to leave a one-piece bone in the filter compartment to avoid a sudden KH. Although the bone will eventually sink, you may also probably find it floating on top and not dissolving. Try to boil it for a little bit, and it will sink like a rock.

The Aggressive Way

If you’re looking for a more immediate solution, the aggressive way would be to crumble the cuttlefish bone to form a powder on their food to provide extra calcium. This will be melt in water for faster absorption.

Where to buy the cuttlefish bone?

You can find Cuttlefish bone in most pet stores, especially those that specialize in birds. You might also be able to find them at some craft stores or online. Prices may vary depending on the size and quality of the cuttlebone.

Will cuttlebones expire?

Yes, Cuttlebones will expire. Cuttlebone is a natural product and therefore has an expiration date. The cuttlebone’s life span also depends on how it is stored. If it is exposed to humidity or moisture, it will start to break down and go moldy.

We hope you found this article informative and useful. If you have any questions, feel free to leave a comment below. Happy fish keeping!

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