No, Vaseline (petroleum jelly) is not as good as plumbers grease and should never be used on plumbing fixtures containing rubber components. Because Vaseline is petroleum-based, it reacts chemically with rubber and plastic O-rings, causing them to swell, degrade, break down, and disintegrate over time, leading to leaks. Professional plumbers exclusively use waterproof, inert food-grade silicone grease which preserves rubber seals safely. Verification: Check product labels to ensure any plumbing lubricant purchased is 100-percent silicone-based.
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