Key Features
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Effective pH Neutralization – Raises acidic water to a stable range of 6.8–8.0.
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Self-Limiting Reaction – Prevents over-correction; only dissolves as needed.
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High Calcium Carbonate Purity – Ensures consistent and predictable performance.
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Safe & Natural – NSF/ANSI 61 compliant and suitable for potable water.
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Low Maintenance – Long-lasting with easy replenishment during service.
Applications
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Whole-house and point-of-entry filtration systems
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Borehole and well-water pH correction
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RO permeate re-mineralization and neutralization
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Acidic water stabilization in industrial and commercial systems
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Corrosion control for copper, brass, and galvanized piping
Typical Specifications
| Parameter | Typical Value |
|---|---|
| Chemical Composition (CaCO₃) | ≥ 99 % |
| Effective Size (D₁₀) | 1.0 – 2.5 mm |
| Uniformity Coefficient | < 1.6 |
| Bulk Density | 1.3 – 1.5 g/cm³ |
| Specific Gravity | 2.7 |
| Solubility in Water | Slight (acidic conditions only) |
| pH (in water) | 9.0 – 9.5 |
| Hardness (Mohs) | 3 |
| Color | White / Off-White |
| Packaging Weight | 25 kg UV-resistant sack |
Performance Data
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Neutralizes free carbon dioxide (CO₂) in acidic water.
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Typical contact time: 2–5 minutes, depending on flow and acidity.
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Periodic top-up required as media dissolves gradually.
Packaging
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25 kg polypropylene sack
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Branded as pHSolve Calcite under Aquasolve Water Technology
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Custom bagging and labeling options available
Storage & Handling
Store in a dry place, sealed from moisture. Avoid mixing with other filter media unless part of a layered system. Use gloves and mask when handling dusty media.
Material Data Sheet (MDS)
Product Name: pHSolve Calcite
Chemical Name: Calcium Carbonate (CaCO₃)
Manufacturer: Aquasolve Water Technology
Brand Line: pHSolve pH Neutralization Media
Intended Use: pH correction and remineralization of acidic water
1. Composition / Information on Ingredients
| Component | CAS No. | Percentage (%) |
|---|---|---|
| Calcium Carbonate (CaCO₃) | 471-34-1 | ≥ 99 % |
| Magnesium Carbonate (MgCO₃) | — | ≤ 1 % |
| Trace Minerals | — | ≤ 0.5 % |
2. Physical & Chemical Properties
| Property | Value |
|---|---|
| Physical State | Solid, granular |
| Color | White |
| Odor | Odorless |
| Specific Gravity | 2.7 |
| Bulk Density | 1.4 g/cm³ |
| Solubility | Slight in acid |
| Melting Point | ~825 °C (decomposes) |
| pH (in suspension) | 9.0 – 9.5 |
3. Health Hazard Information
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Inhalation: Prolonged exposure to fine dust may cause irritation.
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Skin Contact: Non-irritating under normal handling.
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Eye Contact: Dust may cause mechanical irritation.
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Ingestion: Non-toxic; excessive ingestion may cause mild gastrointestinal discomfort.
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Chronic Exposure: No known long-term health hazards under normal use.
4. First Aid Measures
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Inhalation: Move to fresh air; rinse mouth; seek medical help if irritation persists.
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Skin Contact: Wash with soap and water.
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Eye Contact: Rinse thoroughly with water for at least 10 minutes.
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Ingestion: Rinse mouth, drink water, and rest.
5. Fire & Explosion Data
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Flammability: Non-flammable.
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Explosion Hazards: None.
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Suitable Extinguishing Media: Not applicable.
6. Handling & Storage
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Handle with care to minimize dust.
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Store in dry, covered area away from acids and moisture.
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Use PPE (dust mask, gloves, goggles) during transfer or mixing.
7. Stability & Reactivity
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Stability: Stable under normal storage conditions.
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Incompatibility: Reacts with strong acids, releasing carbon dioxide.
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Decomposition Products: Calcium oxide and CO₂ when heated strongly.
8. Regulatory Information
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Compliance: AWWA B100 and NSF/ANSI 61 certified for potable water use.
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Classification: Non-hazardous mineral under GHS.
9. Transport Information
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Non-hazardous; not regulated for road, sea, or air transport.
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UN Number: Not applicable.
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Proper Shipping Name: Calcite (Calcium Carbonate), Non-hazardous.
10. Disposal Considerations
Dispose of as inert material in accordance with local environmental regulations. Can be reused as soil amendment or neutralizing agent if uncontaminated.







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