The design isn’t that great. To keep life simpler in the future, here are some steps to keep the tank in a better state of cleanliness day in and day out.. Let the CLR solution soak for about 2 minutes before rinsing and flushing. Toilet Forum discussions: TOTO WT153M DuoFit In-Wall Toilet Tank - washlet outlet cap jammed: Dec 17, 2020: Toilet Forum discussions: Air flow in toilet tank: Dec 8, 2020: Toilet Forum discussions: Mansfield Toilet Tank Question: Nov 14, 2020: Toilet Forum discussions: Side inlet fill valve on high tank toilet running: Sep 13, 2020 You and your helper can now raise the toilet tank back over the toilet bowl housing and reseat the bolts and central tank … Either you didn’t realize it, or you noticed a drip which caused you to look at them. Many homeowners across the United States battle against hard water in their plumbing … I have replaced them twice; I see no water leaking what so ever or smell. Start by draining the tank. Kohler toilets, the heads of the 3 brass bolts that hold the tank to the toilet are corroding badly. Rusting toilet tank bolts can be surprising. Spray CLR directly onto rust stains and mineral deposits. I checked the other two toilets in the house and they’re more normal. I was going to replace the bolts and washers but the nuts are completely seized and rusted to the bolts. Step 6 - Reattach the Tank and Refill. Sometimes during a quick adjustment, you lift the lid of the toilet tank and you see two giant balls of rust. Repeat until the stains are gone. Apply CLR to the sides and bottom of the toilet tank. KEEPING THE TOILET TANK CLEAN. There is a little gap between the bowl and tank even when the bolts are tightened down so not sure why that is. Then, replace the washers and nut on the second bolt in the same order. Rusting toilet tank bolts can be surprising. How to Remove Rust From the Inside of a Toilet Tank. We have a really old toilet in one of our bathrooms which has started to leak around the tank bolts. Probably a product of ... Why I am curious is that it ain't rust. Keep the brush wet; have a bucket of warm water handy. Either you didn’t realize it, or you noticed a drip which caused you to look at them. And with the corrosion comes a brittle cake-like brown cap that sits on the bolt head. Scrub all areas inside the toilet tank, including the bottom of the tank and all toilet components. Add a new metal washer to secure the tank to the toilet bowl housing. Thought about buying new washers and bolts for it, but also just tempted to flex seal around the bolt heads and be done with it. Underneath all of that rust are the heads of the tank bolts. Sometimes during a quick adjustment, you lift the lid of the toilet tank and you see two giant balls of rust. When you have loosened the rust and hard water build-up, rinse the area with water. Scrub stubborn stains with a brush or sponge. 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