Dampen Diamond Sponges with Universal Cleaner, use light circular pressure, and avoid delicate surfaces like plastic or chrome →

<article id="how-to-use-diamond-sponges" class="promo-article"><p><strong>TL;DR:</strong> <a href="https://uk.koh.com/products/diamond-sponges" target="_blank" rel="noopener noreferrer" style="color:#085041; text-decoration:none;"><strong>Diamond Sponges</strong></a> are a stronger abrasive tool. Dampen them with <a href="https://uk.koh.com/products/universal-cleaner-2l" target="_blank" rel="noopener noreferrer" style="color:#085041; text-decoration:none;"><strong>Universal Cleaner</strong></a>, use light circular pressure, and avoid delicate surfaces like plastic, chrome, stainless steel, and some glass.</p><div style="display:flex; align-items:center; gap:12px; margin:1.5rem 0;"><div style="flex:1; height:1px; background:#A3D6B1;"><br></div><span style="font-size:11px; color:#0F6E56; font-weight:500; letter-spacing:0.05em; text-transform:uppercase;">Quick guide</span><div style="flex:1; height:1px; background:#A3D6B1;"><br></div></div><div style="display:grid; grid-template-columns:repeat(auto-fit, minmax(220px, 1fr)); gap:10px; margin:1rem 0;"><div style="background:#E1F5EE; border-radius:12px; padding:1.25rem;"><p style="font-size:14px; font-weight:600; color:#085041; margin:0 0 8px;">1. Dampen first</p><p style="font-size:13px; color:#0F6E56; margin:0; line-height:1.6;">Spray Universal Cleaner directly onto the sponge before use.</p></div><div style="background:#E1F5EE; border-radius:12px; padding:1.25rem;"><p style="font-size:14px; font-weight:600; color:#085041; margin:0 0 8px;">2. Rub gently</p><p style="font-size:13px; color:#0F6E56; margin:0; line-height:1.6;">Use light circular motions on the target area.</p></div><div style="background:#E1F5EE; border-radius:12px; padding:1.25rem;"><p style="font-size:14px; font-weight:600; color:#085041; margin:0 0 8px;">3. Wipe clean</p><p style="font-size:13px; color:#0F6E56; margin:0; line-height:1.6;">Wipe residue away with a Universal Cloth.</p></div></div><div style="margin:1.25rem 0;"><p><img src="https://attachments.gorgias.help/uploads.gorgias.io/VvEzB7Nmvd2beky0/diamond-sponge-0f31046b-b2b6-4cf3-80ef-9c14c5fed443.gif" alt="Diamond Sponges demo" style="width:300px; max-width:100%; border-radius:12px;" class="fr-fic fr-dib"></p></div><hr><div itemprop="mainEntity" id="how-to-use"><h2 itemprop="name" id="how-do-i-use-diamond-sponges">How do I use Diamond Sponges?</h2><div itemprop="acceptedAnswer"><p itemprop="text" style="display:none;">Dampen the Diamond Sponge by spraying Universal Cleaner directly onto it, then apply it to the target area using gentle circular pressure. Once the soil lifts, wipe the residue away with a Universal Cloth and repeat only as needed.</p><div style="display:grid; grid-template-columns:repeat(auto-fit, minmax(220px, 1fr)); gap:10px; margin:1rem 0;"><div style="background:#F5FBF7; border:1px solid #A3D6B1; border-radius:12px; padding:1.25rem;"><p style="font-size:12px; font-weight:700; color:#0F6E56; margin:0 0 8px; text-transform:uppercase; letter-spacing:0.05em;">Spray first</p><p style="font-size:14px; color:#085041; margin:0; line-height:1.6;">Use Universal Cleaner to moisten the sponge before scrubbing.</p></div><div style="background:#F5FBF7; border:1px solid #A3D6B1; border-radius:12px; padding:1.25rem;"><p style="font-size:12px; font-weight:700; color:#0F6E56; margin:0 0 8px; text-transform:uppercase; letter-spacing:0.05em;">Gentle motion</p><p style="font-size:14px; color:#085041; margin:0; line-height:1.6;">Work in a circular motion rather than heavy back-and-forth rubbing.</p></div><div style="background:#F5FBF7; border:1px solid #A3D6B1; border-radius:12px; padding:1.25rem;"><p style="font-size:12px; font-weight:700; color:#0F6E56; margin:0 0 8px; text-transform:uppercase; letter-spacing:0.05em;">Finish clean</p><p style="font-size:14px; color:#085041; margin:0; line-height:1.6;">Wipe away residue with a Universal Cloth.</p></div></div></div></div><hr><div itemprop="mainEntity" id="caution"><h2 itemprop="name" id="what-surfaces-should-i-avoid">What surfaces should I avoid?</h2><div itemprop="acceptedAnswer"><p itemprop="text" style="display:none;">Avoid using Diamond Sponges on surfaces that can scratch easily, including plastic, chrome, stainless steel, and some types of glass. Always spot test first and avoid vigorous rubbing.</p><div style="display:grid; grid-template-columns:repeat(auto-fit, minmax(220px, 1fr)); gap:10px; margin:1rem 0;"><div style="background:#E1F5EE; border-radius:12px; padding:1.25rem;"><p style="font-size:14px; font-weight:600; color:#085041; margin:0 0 8px;">Avoid</p><p style="font-size:13px; color:#0F6E56; margin:0; line-height:1.6;">Plastic, chrome, stainless steel, and some glass.</p></div><div style="background:#E1F5EE; border-radius:12px; padding:1.25rem;"><p style="font-size:14px; font-weight:600; color:#085041; margin:0 0 8px;">Always spot test</p><p style="font-size:13px; color:#0F6E56; margin:0; line-height:1.6;">Test any unfamiliar surface before use.</p></div><div style="background:#E1F5EE; border-radius:12px; padding:1.25rem;"><p style="font-size:14px; font-weight:600; color:#085041; margin:0 0 8px;">Use light pressure</p><p style="font-size:13px; color:#0F6E56; margin:0; line-height:1.6;">The tool is abrasive, so gentle pressure is enough.</p></div></div></div></div><hr><div itemprop="mainEntity" id="repeat"><h2 itemprop="name" id="can-i-reuse-them">Can I reuse them?</h2><div itemprop="acceptedAnswer"><p itemprop="text" style="display:none;">Yes, use them as needed, but replace the sponge once it is worn down or no longer performs well. Treat it as a reusable abrasive tool rather than a disposable wipe.</p><div style="display:grid; grid-template-columns:repeat(auto-fit, minmax(220px, 1fr)); gap:10px; margin:1rem 0;"><div style="background:#F5FBF7; border:1px solid #A3D6B1; border-radius:12px; padding:1.25rem;"><p style="font-size:14px; font-weight:600; color:#085041; margin:0 0 8px;">Reusable</p><p style="font-size:13px; color:#0F6E56; margin:0; line-height:1.6;">Use again until the abrasive surface is worn.</p></div><div style="background:#F5FBF7; border:1px solid #A3D6B1; border-radius:12px; padding:1.25rem;"><p style="font-size:14px; font-weight:600; color:#085041; margin:0 0 8px;">Replace when worn</p><p style="font-size:13px; color:#0F6E56; margin:0; line-height:1.6;">Swap it out once it loses performance.</p></div><div style="background:#F5FBF7; border:1px solid #A3D6B1; border-radius:12px; padding:1.25rem;"><p style="font-size:14px; font-weight:600; color:#085041; margin:0 0 8px;">Keep it light</p><p style="font-size:13px; color:#0F6E56; margin:0; line-height:1.6;">Heavy pressure is unnecessary and can mark surfaces.</p></div></div></div></div><hr><p style="text-align:center; margin:1.25rem 0 0;"><a href="https://go.koh.com/hc-ds" target="_blank" rel="noopener noreferrer" style="display:inline-block; font-size:12px; font-weight:700; color:#000000; text-decoration:none; background:#ffffff; border:1.5px solid #000000; border-radius:20px; padding:5px 14px;">Browse all Diamond Sponge articles</a></p><p style="font-size:11px; color:#0F6E56; text-align:center; margin:1rem 0 0;">Last reviewed: July 2026 &#xB7; Koh UK</p><p style="display:none;">how to use diamond sponges, diamond sponges koh uk, koh diamond sponges, diamond sponge instructions, universal cleaner diamond sponge, diamond sponge scrub, diamond sponge caution, diamond sponge uk, koh abrasive sponge</p></article>

How to use: Diamond Sponges

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What are the ingredients in Universal Cleaner?

How long does Universal Cleaner last?

Does Universal Cleaner contain palm oil?

Is Universal Cleaner safe for septic and greywater systems?

What surfaces can I use Universal Cleaner on?

How does Universal Cleaner work?

Is Universal Cleaner chemical-free?

Does Universal Cleaner kill bacteria and viruses?

Do I need to spot test Universal Cleaner first?

What surfaces should I avoid using Universal Cleaner on?

Can I use Universal Cleaner on food prep surfaces?

Is Universal Cleaner fragrance-free?

Is Universal Cleaner eco-certified and allergy-friendly?

Is Universal Cleaner safe to use around pets?

Is Universal Cleaner safe for asthma and allergy sufferers?

Can I use Universal Cleaner on stone, marble, or granite?

Can I use Universal Cleaner on TV, monitor, or laptop screens?

Why did you discontinue 4L Universal Cleaner?

Can I use Universal Cleaner in a robot vacuum or mop?

How do I clean carpets, rugs, and upholstery with Koh?

Universal Cleaner

Are Loo Cleaner Tabs safe for septic environments?

How to use Loo Cleaner Tabs

Do Loo Cleaner Tabs have a fragrance?

Should I remove the wrapper on the Loo Cleaner Tab?

What are the ingredients of the Loo Cleaner Tabs?

Loo Cleaner Tabs

What are the ingredients of Bathroom & Shower Cleaner?

How do I use Bathroom & Shower Cleaner?

Are there any surfaces I should avoid cleaning with Bathroom & Shower Cleaner?

Is it allergy / asthma / sensitive skin friendly?

Is it only for use in the bathroom and shower or can I use it elsewhere?

Is Bathroom & Shower Cleaner anti-microbial or anti-mould?

Does Bathroom & Shower Cleaner have a fragrance?

Can I use it to clean EnduroShield or similar coated shower screens?

Is Bathroom & Shower Cleaner safe to use around pets?

Is Bathroom & Shower Cleaner septic safe?

Universal Cleaner vs. Bathroom & Shower Cleaner: What’s the Difference?

What makes it "eco friendly"?

Can I use Bathroom & Shower Cleaner to clean the bowl of the toilet?

How Much Bathroom & Shower Foam Should I Use?

Can I use Bathroom & Shower Cleaner with a Diamond Sponge?

Is Bathroom & Shower Cleaner safe for polished stone?

Bathroom & Shower Cleaner

Bathroom products 🚿

Are Dishwashing Tablets septic safe?

What are the ingredients of Dishwashing Tablets?

Can I cut Dishwashing Tablets?

Why didn't Dishwashing Tablet wrapper didn’t dissolve

Do I need rinse aid with Dishwashing Tablets?

Dishwashing Tablets

Does Dishwashing Liquid kill bacteria?

Where is Dishwashing Liquid made?

Is Dishwashing Liquid safe for grey water and septic systems?

What are the ingredients of Dishwashing Liquid?

Is Dishwashing Liquid fragrance-free?

How many pumps of Dishwashing Liquid should I use in a full sink?

Can I use Dishwashing Liquid as hand soap?

Dishwashing Liquid

Is this the same as Universal Dish Spray?

Does it work on burnt-on grease and oven grime?

What’s the difference between this and the Universal Cleaner?

Can I use it around food?

Is it really non-toxic?

Will it dry out my hands like other degreasers?

Do I need to use Foaming Spray Bottle?

Can I use it on stainless steel?

Does it contain palm oil?

Do I need to rinse it off?

Is it fragrance free?

Can I use it on non-stick cookware?

What should I use to wipe it off?

Is this a multipurpose cleaner?

Can I use it in the microwave or on appliances?

Why does this product exist when I already have Universal Cleaner?

How does this fit into the Koh system?

What's in Kitchen Grease & Oil Cleaner?

How exactly do I use it?

Is Kitchen Grease & Oil Cleaner safe for septic and greywater systems?

Kitchen Grease & Oil Cleaner

Kitchen products 🍽️

Laundry dosing by wash size (Sheets vs Liquid)

The laundry Stain Removal Guide

How to keep your whites bright with Koh

Can I find Sensitive Laundry Liquid in trial or sample size?

Where is Sensitive Laundry Liquid manufactured?

How many loads are in a 1.5L box of Sensitive Laundry Liquid?

How does Sensitive Laundry Liquid help extend the life of clothes?

How does Sensitive Laundry Liquid help keep clothes whiter and brighter for longer?

Does Sensitive Laundry Liquid contain any fragrance?

Does Sensitive Laundry Liquid deodorise fabrics?

What is Sensitive Laundry Liquid?

What are the ingredients in Sensitive Laundry Liquid?

How can Sensitive Laundry Liquid save me money?

Is Sensitive Laundry Liquid eco certified?

Where should I store Sensitive Laundry Liquid?

Is Sensitive Laundry Liquid septic safe?

Can I use Sensitive Laundry Liquid for hand washing?

Can I use Sensitive Laundry Liquid for sportswear and synthetic fabrics?

Is Sensitive Laundry Liquid safe to use on silk or wool garments?

Can I pre-wash soak with Sensitive Laundry Liquid?

Do I still need to use a bleach whitening detergent with Sensitive Laundry Liquid?

What temperature washes can I use Sensitive Laundry Liquid in?

Does Sensitive Laundry Liquid work in front and top loading washing machines?

Can I use Sensitive Laundry Liquid for both whites and colours?

How much should I use per load of laundry? (Dosage)

Is Sensitive Laundry Liquid compatible with auto-dosing washing machines?

Is Sensitive Laundry Liquid suitable for people with sensitive skin, chemical sensitivities and allergies?

Sensitive Laundry Liquid

How do I use Sensitive Laundry Sheets?

Are Sensitive Laundry Sheets safe for front loaders, top loaders and HE machines?

Do Sensitive Laundry Sheets dissolve in cold water?

What if Sensitive Laundry Sheets don't dissolve or leaves residue?

Can I use Sensitive Laundry Sheets for handwashing delicates?

Are Sensitive Laundry Sheets safe for septic tanks and greywater systems?

How should I store Sensitive Laundry Sheets and how do I dispose of the packaging?

How many washes does one pack of Sensitive Laundry Sheets last?

Can I cut or tear Sensitive Laundry Sheets in half?

Where are Sensitive Laundry Sheets made?

What ingredients are in the Sensitive Laundry Sheets?

Can I use Sensitive Laundry Sheets on wool?

Sensitive Laundry Sheets

What ingredients are in Stain Remover?

How do I use Stain Remover?

Is Stain Remover safe for septic or greywater systems?

Which fabrics should I avoid?

Is Stain Remover family safe, pet safe and cruelty free?

The stain didn’t come out after washing. What now?

The product looks cloudy or slightly yellow. Still safe to use?

How do I treat hair dye stains?

The product is too runny or too thick. What should I do?

Can I use Stain Remover on carpets or rugs?

Will Stain Remover affect clothing colour?

Stain Remover

Laundry products 🧺

What tool do I use with what product?

How to open Atomiser Spray Bottle

How to use: Atomiser Spray Bottle

Atomiser Spray Bottle has stopped spraying

Atomiser Spray Bottle

How do you dispose of Dish Sponges?

How to use: Dish Sponges

How do you wash Dish Sponges?

Why would Dish Sponges be degrading?

How long should Dish Sponges last for?

How big are the sponges?

Dish Sponges

How to open Foaming Spray Bottle

How to use: Foaming Spray Bottle

Do I need the Foaming Spray Bottle? Could I use an alternative sprayer?

Which products can I use with Foaming Spray Bottle?

Why isn't Foaming Spray Bottle working?

Foaming Spray Bottle

How often should I replace Loo Blade head?

How should I clean Loo Blade Ceramic Pot?

How do I clean Loo Blade?

How to use: Loo Blade

Can I buy Loo Blade on its own?

What are the dimensions of Loo Blade?

How do I clean my Koh Loo Blade?

How should I clean my Koh Loo Blade pot holder?

How often should I replace my Koh Loo Blade head?

Loo Blade

How much does Dish Pump hold?

How much liquid comes out with each pump?

How do I maintain Dish Pump?

How to unlock and prime Dish Pump

Dish Pump

How to use: Spray Mop

How to use: Dusting Mop Pad

What are the dimensions of Spray Mop

My mop bottle is stuck | How to open

How to put together / take apart the Spray Mop

How do I request a replacement Spray Mop or parts for it?

How to use: Mop Pads

How do you wash the Mop Pads?

Can I use the Spray Mop on walls and vertical surfaces?

Can I buy the Spray Mop separately?

Spray Mop

What are Swedish Dishcloths & how do I use them?

How do I clean, dry, and care for them so they last?

Which surfaces/materials are they safe on?

Swedish Dishcloths

How to use: Grout Brush

Grout Brush Pole Assembly | How to put together

Which products are compatible with Grout Brush?

How do I clean and store Grout Brush?

How long will Grout Brush last?

What is Grout Brush and Pole made of and can I recycle it?

How do I lock Grout Brush Pole?

Grout Brush

How to use: Universal Cloths

Universal Cloths