no sure but its a softer sponge so i would say not high density

Is there a particular way to wash this? Mine has black stains on it. Can I machine wash it?

To get rid of black stains on the Big Red Sponge, spray some Optimum Power Clean on it, rub it in lightly, then rinse it out thoroughly, you can also use Optimum FerreX on the sponge, spray it on, let it sit for a minute, then rinse it out thoroughly. The FerreX will break down any contamination in the sponge and restore it. Store the sponge in a bucket of fresh ONR at 256:1 or .5oz of ONR per gallon of water, put an air tight lid on it and you're good to go.

Is it safe to use with 1 bucket only?

Yes. That's how it was intended to be used. Keep a grit guard or two in your bucket. Having said that, I would have two buckets, each with their own sponge. One for wheels and one for paint. I was using one bucket but it gets dirty after a few washes. Remember to apply the minimum amount of pressure on the sponge. Just enough to maneuver around the car. I can do my whole car in about 30 mins. You also need to know how to dry your car and a good high gsm drying towel.

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オプティマムビッグレッドスポンジ

Product ID: 737141891

Details

Brand
Optimum Inc.
Global Trade Identification Number
Item Package Quantity
1
Item Weight
7 g
Manufacturer
Optimum
Special Feature
Reusable

💧Holds max soapy water

🔴Dense, soft & durable

🧽Thick & super porous

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Description

🔴 Elevate your car wash game with the Big Red Sponge — where luxury meets spotless shine!

EASY MAINTENANCE - Quick rinse and fast drying keep your sponge fresh and ready for your next premium car care session.
SOFT YET DURABLE - Denser, plush sponge material glides smoothly while standing up to repeated use without losing shape.
ULTRA ABSORBENT FOAM - Super porous structure soaks up and holds more suds for a slick, protective wash every time.
SUPERIOR DIRT RELEASE - Unique grooved, cross-cut design prevents paint scratches by releasing trapped dirt effortlessly.
MAXIMIZED WASH COVERAGE - Generous 7" x 5" x 3" size lets you clean more surface with fewer passes.

The Optimum Big Red Sponge is a premium, thick, and super porous car wash sponge designed to hold abundant soapy water and gently remove dirt without scratching paint. Its dense, soft foam and unique grooved design ensure efficient cleaning, durability, and easy maintenance, making it a top choice for car enthusiasts seeking a flawless, scratch-free finish.

Specifications

ASIN	B078DPCYFV
Amazon Bestseller	#832,423 in Automotive ( See Top 100 in Automotive ) #1,453 in Automotive Sponges
Brand Name	Optimum Polymer Technologies, Inc.
Customer Reviews	4.6 4.6 out of 5 stars (1,323)
Global Trade Identification Number	00812779022516
Item Weight	7 g
Manufacturer	Optimum
Other Special Features of the Product	Reusable
Package Quantity	1
UPC	647409554002 812779023193 812779022516
Unit Count	1.0 Count

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SAR 267

Duties & taxes included

In stock

Sold byAmazon KSADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to KSA.

Secure transaction

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Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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オプティマム ビッグレッドスポンジ

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オプティマムビッグレッドスポンジ