Technical data & resources

Every number, methods cited.

Data sheets, safety documents, certificates of analysis, and application notes by grade — published where we can, the rest on request. No proprietary blends, no asterisks — the spec is the spec.

Representative analysis · oolitic aragonite

Every batch ships with its numbers.

CaCO₃ 97.8%
MgCO₃ ≤ 0.9%
SiO₂ ≤ 0.6%
Fe₂O₃ ≤ 0.04%
Al₂O₃ ≤ 0.10%
Na₂O + K₂O ≤ 0.30%
Loss on ignition ~ 43%
Specific gravity 2.93
Whiteness 92–94 (ISO)
Hardness 3.5–4.0 Mohs
Moisture < 0.3% as shipped
Surface area 1.0–2.5 m²/g
Crystal system Orthorhombic
Available sizing 20–325 U.S. mesh
Open the technical data sheet
Head-to-head

Aragonite vs. dolomitic lime.

Limestone is mined and ground. Aragonite is precipitated by living oceans and harvested gently. The difference shows up in dissolution rate, the pH ceiling, and the magnesium-to-calcium ratio your crop actually wants.

Attribute ARAGOCOR ARAGONITE DOLOMITIC LIME
Mineral form Aragonite (orthorhombic) Calcite + dolomite
CaCO₃ purity 97.8% typical 50–60% (Ca eq.)
pH ceiling 8.2 — soft buffer 9.0+ — hard spike
Mg load 0.6% — clean 20%+ — competes with K
Dissolution Demand-driven Slow, indiscriminate
Origin Ocean-precipitated Mined, kilned
Trace minerals Marine chelates Quarry overburden
Application

Rate tables by use case.

Because aragonite buffers on demand, windows are forgiving. Starting rates below; full tables by crop and soil class in the application guide.

Use case
Rate
Timing
Grade
Raised bed / vegetable
1 cup / 4 sq ft
Bed turnover
RB-CAL
Row crop (broadcast)
400–800 lb / acre
Pre-plant
AG-CAL
Established turf
10–20 lb / 1000 sq ft
Top-dress
TF-CAL
Coco / peat media
5–10% v/v
At mix
CB-CAL
Water remineralization
Per flow spec
Continuous
WT-CAL

Need a document that isn't here?

Our technical team can pull a lot-specific COA or a custom spec sheet on request.

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