Calcium Carbonate is an all-natural food-grade powder that contains high levels of calcium (40% elemental calcium).

Calcium Carbonate is a multipurpose powder that's popular as a supplement for poultry, birds, reptiles and other animals. It is also popular as an ingredient for making homemade chalk paint.

Calcium is required for normal growth and maintenance of bones, teeth, the nervous system, muscle function, the blood clotting mechanism, and cardiac function.

Disclaimer: Multiple items of the same bag size may be combined into a single bag unless you request otherwise. This product is sourced from a full-sized 25kg bag and repackaged into clear bags.

Frequently Asked Questions:

Q. Is this calcium carbonate a fine or coarse powder?

A. In my opinion, I would say it's a fine powder with a similar consistency to flour, only heavier.

Q. In what country was this calcium carbonate made?

A. According to the label on the stock, we currently have this product made in Japan (7/12/16). (Disclaimer: future stock may vary)

Q. Does this item have an expiry date?

A. Yes, this product does have an expiry date from the manufacturer and should be mentioned on the label. It's usually about 12 to 48 months.

Q. What is the best way to store this powder?

A. According to the manufacturer's documentation, see below.

Storage: Store in a cool, dry, well-ventilated area. Keep containers tightly closed when not in use. Inspect regularly for deficiencies such as damage or leaks. Protect against physical damage. Store away from incompatible materials as listed in section 10. Do not store with acids.

Q. Is the product suitable for brewing?

A. From what I've read online, this product is suitable for brewing. Here is the information I found online.

"Yes — calcium carbonate is commonly used in brewing, but with some important considerations:

Purpose in brewing

It raises water hardness and increases alkalinity (bicarbonate content), which helps balance the mash pH when your brewing water is very soft or when brewing dark beers (which are naturally more acidic).
It supplies calcium, which is beneficial for yeast health, enzyme function, and beer clarity."

Q. Is food-grade calcium carbonate like this one suitable for reptiles like bearded dragons?

A. One of our customers called a reptile vet and was told that food-grade calcium carbonate was fine for reptiles like bearded dragons (26/6/17)

Q. Is this calcium carbonate suitable for humans, as I want to use it to make my toothpaste?

A. After asking the supplier, I was told the following: I paraphrase, "We don't give recommendations for the products we sell and can only guarantee the specification and chemical analysis. This product is food grade and has the proper accreditation to be sold into the food industry"

Q. Have you got the specifications for this calcium carbonate?

A. Yes, please see the download tab above to download this information.

Q. Is calcium carbonate suitable for supplementing dogs in a home-prepared diet?

A. From what I've read online, calcium carbonate is fine for supplementing dogs, assuming it's done correctly. This website has some suggestions. Click here.

Q. Can this carbonate be mixed with raw mince for wild magpies?

A. Assuming calcium carbonate is suitable for magpies, then our food-grade version would also be fine. The food-grade version is just a purer type of calcium carbonate. From my reading, online calcium carbonate seems fine for magpies.

Q. How much calcium carbonate per kg mince should I add for my ferrets?

A. We asked a customer of ours with experience with ferrets, and he suggested about 4 grams per kg

Q. How much calcium carbonate should I add to the meat I'm feeding Kookaburras and Magpies?

A. I found this information on the RSPCA Victoria website: " In the wild, these birds eat insects and small animals (vertebrates). Two heaped teaspoons of calcium carbonate per kg of meat mince must be added to meals to prevent bone problems. Soaked complete dry dog food, hard-boiled egg and cheese can be added. Earthworms, grubs, and other insects can also be fed" (14/10/21)

Q. Is your calcium carbonate suitable as a buffer to the water hardness in ponds?

A. We got this feedback from a customer: "Received the calcium carbonate and I used it for a newly established freshwater pond (400L).

Dosage was roughly around two teaspoons per 50 litres of water, and the calcium carbonate has increased the KH and GH levels, which should help stabilise the PH levels (as advised by a local water lily expert).

The water levels are spot on, and a test that I did a few hours after adding the calcium carbonate has come back perfect for my Goldfish and water lilies.

6-7 days after being added, the water PH readings are still great! No drops or increases, so it's very stable.

It does make the water cloudy when first added, like all other calcium carbonates that I’ve used, but after dissolving and some settling, the water is very clear, even with the heat, humidity and sun that the water is exposed to here in my area. Overall, cannot think of a negative thing to say about the Calcium carbonate"

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