Composition map
%01020%
Organic matter15%
Alginic acid0.6%
Water-soluble potassium oxide (K₂O)3%
Constituents are shown individually. Some overlap; percentages must not be added together.
GRASSREX / OM · K₂O
GrassRex · Professional turf nutrition
PRODUCT PROFILE
OM · K₂OALGEVA
Seaweed-based turf care
ALGEVA is a seaweed-based formulation for turf care during stress periods. Its reference composition combines 15% organic matter, 3% water-soluble potassium oxide and 0.6% alginic acid. Integrate it with irrigation, mowing and a site-specific nutrition programme.
OM15%
Organic matter
K₂O3%
Water-soluble potassium oxide (K₂O)
01Technical data
The formula, at a glance.
Open the technical table
| Composition | % |
|---|---|
| Organic matter | 15% |
| Alginic acid | 0.6% |
| Water-soluble potassium oxide (K₂O) | 3% |
02Application
A place in your programme.
01
Assess the surface
Turf species, surface conditions and the current programme.
02
Plan the application
Confirm dose, method and compatibility against the current label.
03
Record the response
Consistent photography, dates and documented measurements.
Application
Plan dose, water volume, method and frequency with the technical team using the current product label, turf species, soil analysis and local conditions. Check mixing compatibility before application.
ALGEVA is a seaweed-based formulation for turf care during stress periods. Its reference composition combines 15% organic matter, 3% water-soluble potassium oxide and 0.6% alginic acid. Integrate it with irrigation, mowing and a site-specific nutrition programme.
PURPOSE / FORMULA / PROGRAMME
The right detail.A considered programme.
Seaweed-based turf care
Turf condition during stress care
OM · K₂O
Seaweed-based care · 15% organic matter · Stress-period support
Use the composition above to review the formulation alongside your current nutrition programme.
Professional application
Set the dose and application conditions with the technical team, using the current label and your site assessment.
Formulation referenceSource reviewed · 2026-10-11
Composition and care positioning are based on the linked reference formulation. The current product label and technical assessment govern application.
Review the technical sourceALGEVA / Before & After
Before and after.A closer look at the pitch.
Drag the line to explore both views, side by side.
Turf condition during stress care
Before
After
01 / BeforeInitial appearance
02 / AfterIllustrative care outcome
01 / 01
These images illustrate a care scenario for ALGEVA; they are not measured product results or a time guarantee.
04Documents
Documents
GRASSREX / 2026
PDF / 10 pages
PDF / 10 pagesTHE GRASSREX COLLECTION
The complete range.In your hands.
Six products, clear technical profiles and a considered approach to turf care. Explore the GrassRex corporate catalogue in your language.
START A CONVERSATION
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Start with your surface. We’ll take the conversation from there.
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