Aptus Mycor Mix 100g - Mycorrhizal Root Booster for Bigger Harvests
Best for: growers who want to give cuttings, seedlings or transplants a one-off root-zone boost that keeps paying off for the rest of the grow.
Our thoughts
This one's dead simple: a pinch of powder at planting time and the fungi get on with the job in the background. No ongoing dosing, no extra step in the weekly feed schedule, which suits anyone already juggling several other bottles. At a price that makes sense for a 100g tub, it's an easy add-on to justify even on a tight budget.
Aptus Mycor Mix is a mycorrhizal inoculant - a blend of endomycorrhizal fungi species fixed onto a plant-based carrier material that protects and feeds the fungi until they reach the root zone. Once applied, the fungi colonise the root system and effectively extend it, giving the plant access to a far larger volume of soil or substrate than the roots could reach unaided.
The extra root reach particularly helps with phosphorus uptake, which matters most once a plant moves into flower, so the benefit tends to show up as denser, healthier flowers at harvest rather than as any dramatic change during the vegetative stage.
How it compares
Mycorrhizal inoculants are a fairly established category, and Mycor Mix sits comfortably alongside the well-known names.
- Same core mechanism as Plant Success Great White and Xtreme Gardening Mykos - all three rely on endomycorrhizal fungi rather than bacteria or hormones.
- Cheaper per application than an ongoing liquid root stimulant such as Canna Rhizotonic, since Mycor Mix is a one-off treatment rather than something dosed at every watering.
- A 100g tub covers a large number of plants at the 1g-per-plant dose rate, keeping cost per plant low against budget and premium alternatives alike.
If you also want an ongoing liquid root stimulant you'll still want something like Rhizotonic or B'Cuzz Root Stimulator alongside it - Mycor Mix does a different, one-time job.
Usage guidance
Mycor Mix only needs to go in once, right at the start.
Timing
Apply when transplanting, potting on, or planting out - the fungi need direct contact with the root zone to establish, so it's far less effective added later once roots are already established elsewhere.
Application
Use around 1g per plant. Sprinkle it directly into the planting hole or mix through the first few centimetres of substrate so new roots grow straight into it.
Compatibility
Works across soil, coco and most substrate-based grow methods. Not necessary in pure hydro systems with no substrate for the fungi to colonise.
Technical specifications
- Format: Powder, fixed to a vegetal carrier
- Active ingredient: Endomycorrhizal fungi (mixed species)
- Pack size: 100g
- Dose rate: Approx. 1g per plant, applied once
- Application point: Root zone / planting hole
- Growing media: Soil, coco and other substrates
- Key benefit: Increases effective root surface area, aids phosphorus uptake
- Storage: Cool, dry conditions, out of direct sunlight
Who this is for
- Growers taking cuttings or starting seedlings who want stronger establishment from day one.
- Anyone transplanting into a bigger pot who wants to reduce transplant shock.
- Coco and soil growers looking for a low-effort, low-cost addition to an existing feed schedule.
- New growers who want something that works passively without adding another weekly dosing step.
Best suited to soil and coco setups where the fungi have substrate to establish in.
Our take
Mycor Mix earns its place for the simplest reason possible: you use it once and then forget about it, while it keeps working in the background all season. For the price of a 100g tub it's cheap insurance against a weak root system, and it plays nicely with whatever base feed you're already running.
If you're growing in soil or coco and haven't used a mycorrhizal inoculant before, this is a sensible, low-risk place to start. Does exactly what it should, day in, day out.
