Newmarket, Ontario (Head Office)
1175 Stellar Drive, Unit #5
Newmarket, ON L3Y 7B8
- Mon10:00am–6:00pm
- Tue10:00am–6:00pm
- Wed10:00am–6:00pm
- Thu10:00am–6:00pm
- Fri10:00am–6:00pm
- Sat10:00am–4:00pm
- SunClosed
$0.00 CAD
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Gaia Green Rock Phosphate is a rock phosphate soil amendment made from a natural mined mineral to support long-term soil fertility with a slow-release phosphorus source. As a mined mineral soil amendment, it’s designed for growers who want a simple, single-input way to strengthen the nutrient foundation in garden soils.
This product is natural rock phosphate that has been finely ground to improve nutrient availability. That “finely ground” focus matters when you’re shopping for rock phosphate, because the goal is dependable mineral access over time, not a quick, short-lived boost. Gaia Green positions Rock Phosphate as an excellent source of slow-release phosphorus, making it a clear fit for soil-building programs where phosphorus support is intended to work gradually.
Rather than acting like a fast, highly soluble input, Gaia Green Rock Phosphate is centered on improving long-term soil fertility. It’s a straightforward option when you’re working to maintain a more consistent nutrient bank in the root zone and you want a mineral-based amendment that stays focused on one job. With rock phosphate, the value is in steady, background support that helps keep soils productive over time, especially when you prefer simple materials you can recognize and trust.
Gaia Green Rock Phosphate is available in both powder and pelleted forms, giving you flexibility in how you prefer to handle a mineral soil amendment. The ingredient story stays clean and clear: it is derived from natural rock phosphate, with no unnecessary extras added to distract from the purpose. If you’re looking for a rock phosphate soil amendment that is finely ground to improve nutrient availability and serves as a slow-release phosphorus source to improve long-term soil fertility, Gaia Green Rock Phosphate is a solid fit for growers focused on steady soil fertility rather than quick changes.
| Total Phosphoric Acid (P2O5) | 20.0% |
|---|---|
| Available Phosphoric Acid (P2O5) | 5.0% |
| Calcium (Ca) | 25.0% |
Available phosphoric acid provides a fast-absorbing form of phosphorus that fuels root growth, energy transfer, and strong flowering. It becomes part of the plant’s total available phosphate supply, but the two terms are not the same—available phosphoric acid is one source of phosphorus, while available phosphate refers to the entire pool of plant-available phosphorus overall.
Calcium is important because it builds and stabilizes plant cells as they form, acting as the structural support that keeps new growth strong and functional. Unlike other nutrients that drive color or speed of growth, calcium’s role is unique because it controls cell wall strength and membrane stability, making it essential for healthy roots, shoots, and long-term plant resilience rather than quick visual results.
Total Phosphoric Acid (P2O5) matters because it represents phosphorus—the nutrient that powers energy movement for strong roots, fast development, and successful flowering—yet it’s unique because availability depends heavily on root-zone conditions like pH, temperature, and oxygen, so you can have plenty present while the plant still can’t use it.
Natural rock phosphate is different because it releases phosphorus slowly as the root zone and soil biology unlock it, so it builds long-term fertility instead of causing a fast nutrient spike. That slow, reserve-style supply is important because phosphorus drives root energy and flowering, and it also helps avoid the micronutrient imbalances that can happen when phosphorus is pushed too quickly.

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