• MowdBoost Soak liquid lawn wetting agent and soil penetrant, 100ml bottle
  • MowdBoost Soak liquid lawn wetting agent and soil penetrant, 200ml bottle
  • The full MowdBoost liquid lawn treatment range: Sea of Green, Soak and TerraCharge in 100ml and 200ml bottles
  • Soak liquid lawn wetting agent and soil penetrant, 100 ml label showing application rate and coverage
  • Soak liquid lawn wetting agent 200 ml label covering up to 200 m² of lawn
1 5

Soak Wetting Agent

Soak Wetting Agent

Summer · liquid concentrate

Get the water in, keep it there

£6.95
£6.95
Sale Sold out
Taxes included. Shipping calculated at checkout.
  • ✓Relieves hydrophobic soil and localised dry patch
  • ✓Maintains moisture in the root zone
  • ✓Helps prevent damage in dry periods
  • ✓Helps repair damage caused by dry spells
Size

A concentrate — dilute with water before use. 100 ml up to 100 m² · 200 ml up to 200 m².

Dilution rate: 1 ml/m², diluted in 30 ml of water per m².

Not sure how big your lawn is? Measure your lawn and pick the bottle that covers it.
Good to know
  • ✓Goes on with a knapsack sprayer or watering can
  • ✓Suitable for dry patch, hydrophobic soil & summer watering
  • ✓Keep children and pets off the lawn until the treated grass is dry
  • ✓Apply in summer

UK-made liquid concentrate · dilute & spray

View full details

A liquid wetting agent and soil penetrant that helps water move down into the soil and stay in the rootzone, relieving hydrophobic soil and localised dry patch.

Coverage, dilution & analysis

Coverage
100 ml up to 100 m² · 200 ml up to 200 m²
Application rate
1 ml/m², diluted in 30 ml of water per m²
Season
Summer

When water stops going in, the lawn stops going green

You water, you wait, and the water just runs off or sits on the surface. That is hydrophobic soil. Over a dry spell, waxes and organic residues coat the soil particles and make them repel water, so what you apply never reaches the roots. The tell-tale sign is a patch that stays straw-coloured while everything around it recovers - localised dry patch.

Soak gets the water where it belongs

Soak is a soil penetrant. It breaks the surface tension so water moves down through the profile instead of away from it, then helps the rootzone hold onto that moisture where the grass can use it.

Use it through summer to keep watering honest and prevent dry patch taking hold - and on ground that has already gone hydrophobic, to start bringing it back. It also makes every watering can and every bit of rainfall count for more, which matters when a hosepipe ban lands.

Why Mowd?

Concentrated, not watered down

A little goes a long way - one small bottle treats a whole lawn, so you are not paying to ship water around the country.

Straight to work

Diluted and sprayed, it reaches leaf and rootzone the same day rather than waiting on rain to break granules down.

Made by turf pros

Built on 40+ years of sports and domestic turf experience, blended and bottled in the UK.

Help when you need it

Plain-English guidance, the free MyLawn app and UK-based support if you ever get stuck.

Ready to give your lawn a lift this autumn?

Choose the bottle size that covers your lawn, dilute, and spray.

Frequently asked questions

What does a lawn wetting agent actually do?
It breaks the surface tension of water so it soaks into the soil rather than running off or pooling. On soil that has turned water-repellent after a dry spell, that is the difference between watering the lawn and just wetting the top of it.
When should I apply a wetting agent to my lawn?
Late spring through summer, before the ground dries out hard - prevention is far easier than repair. If you already have dry patch, apply as soon as you spot it and water in thoroughly. Avoid applying in direct sun or in hot temperatures.
How often should I apply Soak?
Regularly through the summer rather than once in a panic. Every four to six weeks across the dry months keeps moisture moving into the rootzone; in a serious dry spell you may want to go a little more often. Always water it in well after applying.
Liquid or granular - which wetting agent should I choose?
The liquid is quick to mix, easy to spread evenly through a sprayer or can, and gets to work fast, which suits smaller lawns and spot-treating dry patch. The granular version is handy if you would rather spread than spray. Both tackle the same problem.

See all FAQs →

Not sure what your lawn needs next?

MyLawn is our free lawn-care app. Tell it your postcode, grass type and what you have already done, and it tells you the single best next job to do — in plain English. Most lawn apps give you a feature list; we give you an opinion.

Explore more

Related guides