I knew what it was when I bought it and although a new large black sponge was available for the same price I chose it because I plan on making it to use only. Sponge with ONR. It seems to work fine if you use ONR correctly. I soaked it in a bucket of ONR 256:1 for 24 hours and let it soak in storage before using it. It rings slightly, the quality of the foam structure is excellent. The size is large but fits my medium to large hands well. The cost is high, I wish it was $10 but I see a premium in using it. I know at ONR many people just use wash mitts, mf towels or cheap sponges. but anyone who claims the alternatives are just as good or better either didn't use BRS or followed Optimum's instructions incorrectly. I want Optimum to sell BRS or BBS bundled with ONR.
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