Grow Genius Mono-Silicic Acid 40%
Product details
| Management number | 250625338 | Release Date | 2026/09/17 | List Price | US$31.32 | Model Number | 250625338 | ||
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Stronger cell walls and real pest and disease resistance, one drop at a time
Silicon makes plants physically tougher: stiffer stems, harder leaf surfaces, and stronger resistance to fungal disease, sap-feeding pests, and heat or drought stress. The problem is that plants can only take silicon up as mono-silicic acid, and most "silica" products are silicates that need weeks of root chemistry to convert first. Grow Genius delivers the mono-silicic form directly at 40% w/w: pH neutral, reservoir stable, and working the moment it reaches the plant. One drop per liter, hundreds of gallons per bottle, no pH juggling.
- Root chemistry has to convert it to mono-silicic acid first, which takes energy and weeks
- Highly alkaline, so every mix needs pH-down correction
- Can gel and settle, clogging drippers and reservoir valves
- Low concentration means large doses and heavy bottles
- Salt-based, so it adds to your EC and can build up in the root zone
- Foliar coverage alone gives limited plant-wide benefit
- Already in the mono-silicic form plants absorb, so it works on contact
- pH neutral, drops straight into the mix with no correction
- Stays in solution and holds in a reservoir for up to 7 days
- 40% w/w, so you dose 0.3 ml per 10 liters, by the drop
- Trace dose adds almost nothing to your EC or soil load
- Works foliar alone, because it never needs converting first
Why mono-silicic acid works immediately, and silicates don't
Plants can only pull silicon out of solution in one specific chemical form: mono-silicic acid, Si(OH)₄. Every other silicon product on the shelf, potassium silicate and the "Silica" bottles included, is a silicate. Before the plant can use a silicate, its own root chemistry has to convert it into mono-silicic acid, and that conversion burns energy and takes weeks. Grow Genius skips that entirely by supplying the mono form directly, so it is 100% plant-available the moment it hits the root zone or leaf surface.
The reason most "stabilized" mono products are weak is chemistry: a water-based mono-silicic solution re-polymerizes back into silicate above roughly 4%. Grow Genius holds its mono form stable at 40% w/w (21% elemental Si) using a small amount of ethanol as the carrier, which then biodegrades rapidly once it is diluted into your mix. Because the product is so concentrated, the actual amount added to your soil is tiny, about 0.03 ml per liter of solution. Once absorbed, the silicon deposits into cell walls and the leaf cuticle, stiffening tissue and building the physical barrier that drives the pest, pathogen, and stress resistance.
40% w/w, the exact form plants use 0.3 ml per 10 L
Guaranteed delivery of over 40% mono-silicic acid by weight and 21% elemental silicon. That concentration is why you dose by the drop instead of the capful, and why a small bottle lasts most home growers a full season.
pH neutral and reservoir stable for 7 days
It drops into an AutoPot res, a nutrient tank, or a hand-watering jug without shifting your pH, and it holds its form in the reservoir for up to a week rather than gelling out like silicates.
Harder tissue against fungal disease
Silicon reinforcing the leaf cuticle gives powdery mildew, botrytis, and black spot a tougher surface to get through. Growers use it as part of a preventative program to lean on fungicides less.
Tougher against pests and stress
Stiffer cell walls make it physically harder for thrips, mites, and aphids to pierce and feed. The same rigidity helps plants hold up to heat, drought, wind, and the shock of heavy pruning.
Works through the roots or as a foliar
Root feeding biases silicon toward the plant's interior and foliar biases it toward the leaves, so doing both is ideal. If you can only do one, either route still delivers plant-wide benefit on its own.
One small bottle goes a very long way 880 gal from 100 ml
A 100 ml bottle mixes roughly 880 gallons of root feed or 53 gallons of foliar spray. Less concentrate to buy, ship, and store, and far less packaging per gallon treated.
How to use it: measured by the drop
Measure with a pipette
Draw 0.3 ml per 10 liters for root feeding, or 0.5 ml per liter for a foliar spray. A pipette or small syringe makes doses this small accurate.
Add it last, after your other nutrients
Mix your feed first, then add Grow Genius and stir well. Adding it last keeps foaming down, especially in soft or reverse-osmosis water.
Feed weekly, or spray every two weeks
Run it from propagation through to a few weeks before harvest. Stop foliar spraying at early flower on dense-flowered plants, and never spray under full lights, in strong sun, or over 86°F.
Seal it up and store it dry
Cap the bottle tightly right away, since the ethanol carrier evaporates fast and any water or dirt getting in will spoil it. Keep it somewhere cool and dry between uses.
- Stabilized mono-silicic acid at over 40% w/w
- 21% elemental silicon, guaranteed delivery
- pH-neutral formula, ready to dose straight in
- Works through the roots or as a foliar spray
- Suitable for soil, coco, and hydro
- Compatible with any nutrient lineup
- 100 ml: about 880 gal feed / 53 gal foliar
- 250 ml: about 2,201 gal feed / 132 gal foliar
- 500 ml: about 4,402 gal feed / 264 gal foliar
- 1 Liter: about 8,895 gal feed / 528 gal foliar
- Grab too: a graduated pipette or small syringe for accurate dosing
Questions? We're easy to reach.
Happy Hydro has been serving growers since 2006. Call or email us before you order, after you order, or any time something comes up. When you're happy, we're happy.
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