Reef
Aqua Natural Oolitic Aragonite Sand
4.5 · 787 reviews
$14.69
Sold and shipped by the online store behind the button; bags go back the same way
98% pure calcium carbonate harvested from the Bahamas under the only government lease to do it. Fine oolitic grains buffer pH at a stable 8.2 and give each kilogram over a million square centimetres of surface for bacteria.
Product highlights
- Buffers pH at 8.2
- 98% pure calcium carbonate
- Bahamas, exclusive lease
- 1,000,000+ sq cm per kg
- 10 lb, 20 lb or a 4-pack
Bag sizes and prices
| Option | Price |
|---|---|
| 10 lb bag | $14.69 |
| 20 lb bag | $29.65 |
| 10 lb bag, 4-pack | $57.35 |
Specifications
| Composition | 98% calcium carbonate |
|---|---|
| pH | Holds 8.2 |
| Origin | The Bahamas |
| Use | Saltwater, reef, plenums, refugiums |
Good to know
Expect cloudiness on the first fill — aragonite is a flocculant; the filter clears it and the water ends up clearer than before.
Orders and returns
The order, shipping and any return are handled by the store that sells it. See how orders travel.
Reviews by real customers
Bahama sand
Great sand …. Use in Bio cube 32 .. BUT RINSE THE SAND AT LEAST THREE TIME … other than that sand is perfect for saltwater tank.
John · September 2026Good
The aquarium sand is a great quality, but as a beginner user of aquariums, it is a lot of work to upkeep the whiteness of the sand. I would say if you are a intermediate aquarium user this is a stand for you but if you’re a beginner, this is a lot of time for cleaning
drew · June 2026Good value for money
Used in my nano 5g tanks. Good ocean quality. Fogs up the tank in the beginning but filter takes care of it shortly. Good value for money nice natural look. Overall I would give it 4.5/5 only downside is algae accumulates on it every week.
Puria · November 2025
Phosphate free
Cichlids
Habitat
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