Brown ring in my toilet - American Standard Home

If you understand acids from HS chemistry and know how to be careful with them a small amount of Muratic acid and soak will probably clean. Muratic acid is Hydrochloric acid diluted by 50% or more and is used to clean masonry outside. So you must be very careful!
Otherwise, talk to your plumber.

Toto toilets usually have a very good porcelain finish. I would first try a toilet bowl cleaner or a rust remover such as CLR or Lime Away. DO NOT ! MIX ANY OF THESE CHEMICALS UNDER ANY CIRCUMSTANCES! Try one making sure to give it time to work then thouroughly flush the toilet before trying another. The brown stain may be rust or water scale. If the porcelain is actually gone replacing the toilet is probably the only fix. Hope this helps.
Bob

Use CLR from local hardware and pumice stone.
This will remove any problem and shine it right up.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Most wax rings are standard size. You should pull your toilet off again and scrape off all the old wax. If your toilet flange is below floor level, you may have to use two wax rings, one on top of the other. You can buy rings of different thicknesses, but standard rings should work. When you've placed the rings, place the toilet back on the flange bolts and push down HARD wiggling side to side. When you've got it down as far as you can go, sit on the bowl and wiggle side to side. Repeat this process until the toilet is sitting flush with the floor. NO PENNIES!
or
http://www.homedepot.com/Bath-Toilets-Toilet-Parts-Repair-Wax-Rings/h_d1/N-5yc1vZbl71/R-100139961/h_d2/ProductDisplay?langId=-1&storeId=10051&catalogId=10053

See if nuts on studs on bottom where it mounts to the floor & flange are loose. If they are loose tighten both of them evenly. If they are tight you will need to replace wax ring that is between toilet & floor.Turn off shutoff water valve to toilet. Flush once holding down handle to let tank drain. Remove both nuts & lift toilet off flange. Remove wax ring. Scrape all old wax off toilet & floor flange. Install new wax ring. Set down toilet on ring & snug nuts evenly. Sit on seat & apply your weight evenly to distribute wax & level. Retighten nuts. Turn water back on. Allow tank to refill. Flush toilet & check for leaks.

The wax ring would only help if the toilet wasn't sealed to the drain. Is the odor coming up through the toilet? If so then your water level must be low in the bowl, allowing the trap to be open to air. Make sure the little hose from the fill valve is dumping into the overflow. This helps make sure the toilet stays full, when refilling.

hi, the tile is supposed to go under the toilet flange (the thing you put the wax ring on), very common "oops", can be rectified by placing another wax ring right on top of the first on. best to make the first one a "horn type" wax ring, then put the plain one (no horn) on top of first and try to smoosh it on just enough to stay in place so when you install toilet it doesn't move,.....cheers!

could be the ring that holds the bolt is broken. or the secure ring was not install correctly. it should be bolted to the floor and the toilet is bolted to the ring.
you need to take it off and resecrued the ring and the toilet. make sure the toilet is set square on the floor, any unevenness will loosen the toilet.

It's not terribly complicated, assuming that by "install a new toilet" you mean where there was alredy an existing toilet. First, remove the old toilet. Shut off the water supply valve, and flush the toilet. Then use a spone to get rid of the water that remains in the tank. Remove the nuts on the two bolts at the base of the toilet where the toilet meets the floor. These are usually hidden under two plastic caps. Now gently rock the toilet until it comes away from the floor. Get help to carry it out. Clean up the old wax that's around the flange where the pipe disappears into the floor. Don't be a wuss, it's only wax. Now you'll need the new toilet, a new supply line, new mounting bolts (don't reuse the old ones) and a two wax rings. Yes, I said two wax rings. You'll see why in a minute. Assemble the new toilet according to the instructions provided. Now here's a warning: Do NOT overtighten the bolts the hod the tank to the bowl. You're dealing with ceramics here, don't break them. Now, put the new hold-down bolts in place on the flange. Read the insturctions that came with the toilet, but you have to do this NOW. Now you'll need a helper. With the toilet upsided down, unwrap a wax ring. Make sure it's room temprature or it won't seal. Press the wax ring around the outlet flange on the base of the toilet. Now you and your helper carefully turn the toilet over without crushing the wax ring. Lift the toilet and slowly lowe it so the wax ring is centered over the "flange" which is where the sewer pipe goes into the foor. Then press the toilet firmly in place. Now if you're like most people, you screwed up here and crushed the wax ring without being centered on the flange. That's why I told you to buy two. Now you know what not to do, scrape off the first one and start again. When you've got the toilet sealed on the flange, connect and tighten the nuts on the bolts. Now you may have to use a hacksaw to cut off the remaining ends of the bolts so you can get the neat little plastic caps to fit. Now connect the water supply line. Now's where you start praying. Turn on the water and let the tank fill. Check the supply line for leaks. Fix as necessary. Now flush. Is water running out from around the base of the toilet? No? Good, you got a good seal. Yes? Very bad. Time to go back to the home center for yet another wax ring. Repeat the sealing process and get a good seal this time.