A-X PRO
Base nutrient A. Stronger frames, less stretch — balanced calcium, nitrogen, and iron build sturdy structure instead of weak, leggy growth.
1 L bottle / Lime Green
A-X PRO
Base nutrient A. Use in Vegetative.
Available
NZD $39.99
When to use
Use as the paired Part A base during vegetative growth and base-feed periods.
Why it matters
Stronger frames, less stretch — balanced calcium, nitrogen, and iron build sturdy structure instead of weak, leggy growth.
How it works
Forms the mineral backbone of the feed when paired with B-X PRO.
Compatibility notes
Always pair with B-X PRO. Add supplements after base nutrients are diluted.
Mixing notes
Add A-X PRO to water first, mix thoroughly, then add B-X PRO separately.
Storage notes
Store sealed in a cool, dark location away from direct light.
Shelf-life notes
Best used within 18 months of opening.
Formulation & guaranteed analysis
PGG Hort — revised formulation, 14 May 2026. Composition is per litre of concentrate — not a dose rate.
Composition (per litre)
- Calcium nitrate tetrahydrate120 g
- Magnesium nitrate8 g
- Iron DTPA 11%5 g
- Waterto volume
Guaranteed analysis
- Total Nitrogen (N)~1.9%
- Calcium (Ca)~2.3%
- Magnesium (Mg)~0.4%
- Iron (Fe)~0.055%
Label & feed chart
A-X PRO label & feed chart
See the approved product label and rear feed chart, download the product PDFs, or open stage-specific QR feed guidance.
Front label
Rear feed chart
Grow OS product render
Checking access
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What to watch for
- + Strong green growth
- + Stable EC response
- + Leaf tip burn after aggressive increases
Signs of overuse
- + Dark clawing foliage
- + Elevated runoff EC
- + Tip burn on new growth
Signs of deficiency
- + Pale new growth
- + Weak stems
- + Slow vegetative momentum
Planning dose range
Beginner, standard, and professional calculator defaults.
beginner
1.2-1.8 ml/L
standard
1.8-2.4 ml/L
professional
2.4-3 ml/L
Product tips
- + Keep A and B concentrates separate.
- + Increase gradually when runoff is stable.
Related protocols
Stages: Vegetative. Add A-X PRO to My Shelf to track usage, reorder timing, and low-stock warnings.
Grower reviews