How to Use Patio Magic and Sodium Hypochlorite for a Cleaner Patio
- Creations Building & Landscaping
- Aug 12
- 2 min read
Patio Magic and sodium hypochlorite are two popular treatments for removing algae, moss, and green growth from patios. When used correctly, they can restore your paving and help keep it cleaner for longer.
Key Takeaways
Patio Magic is a ready-to-use cleaner for algae, moss, and green stains.
Sodium hypochlorite is a stronger, professional-grade option.
Both products need careful handling and correct application.
Always check your paving type before choosing a cleaner.
Preventative care reduces the need for frequent treatments.

What Is Patio Magic?
Patio Magic is a liquid treatment designed to kill and remove green growth, moss, and algae. It works gradually, with visible results appearing within days. It’s often chosen for:
Ease of use.
Safety on most patio materials.
No need for pressure washing.
How to Use Patio Magic
Clear the Area — Sweep away leaves, debris, and loose dirt.
Dilute (if required) — Follow the instructions for the correct mix.
Apply Evenly — Use a watering can or low-pressure sprayer to cover the surface.
Leave to Work — Do not rinse unless instructed. Patio Magic continues to work for days after application.
Do you have to wash it off? For most patios, no. Let it dry and break down the growth naturally.
Does Patio Magic Kill Weeds and Moss?
Yes, it kills moss effectively. It may weaken smaller weeds, but it’s not a full weed killer. For heavy weed growth, remove them before treatment.
Using Sodium Hypochlorite on Patios
Sodium hypochlorite is a stronger cleaning chemical often used by professionals. It works quickly on stubborn algae, lichen, and black spots.
Dilution is critical — too strong and it can bleach or damage paving.
Contact time — typically 10–20 minutes before rinsing, but follow the supplier’s guidance.
Protect nearby plants — cover with a sheet to prevent damage from splashes.
If you’re not confident using it, a professional paving company can apply it safely.
How Long to Leave Sodium Hypochlorite on a Patio
Most applications need just a short contact time — leaving it too long can cause surface whitening. Always rinse thoroughly after use.
Maintaining a Clean Patio
To extend the results:
Sweep regularly to remove organic debris.
Keep joints topped up with kiln-dried sand on block paving.
Apply Patio Magic every few months as a preventative treatment.
Final Word
Patio Magic and sodium hypochlorite are both effective ways to tackle patio staining and growth. Choose the right option for your paving type, follow safety instructions, and your outdoor space will stay looking its best.
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