Need advice. Cleaning build-up inside toilet tank.

Hi Darlene, here's a great article that shares 5 different ways to clean hard build up - https://www.build.com/toilet-trouble-5-ways-to-remove-mineral-stains/a18693. It seems borax is your best option when it comes to stubborn build up

Hi, Spray inside and everywhere with Grime & Lime, and leave to do it's work. it will help!

I’d try CLR. It’s supposed to be septic safe too. :)

This link has a section on using hot vinegar to clean out the jets, read before trying:

https://www.thespruce.com/cleaning-toilet-jets-2719011

and the tank:

https://www.thespruce.com/how-to-clean-a-toilet-tank-5073250

Your septic system can tolerate a moderate amount of bleach. The bleach kills off the bacteria in the septic tank, leaving the dead bacteria to accumulate.

https://advancedsepticservicesfl.com/chlorine-bleach-septic-systems/

Naval Jelly is a toxic rust remover, probably not safe for septic systems:

https://homequicks.com/how-to-use-naval-jelly-to-remove-rust

You might need a water softener system to remove the minerals that are depositing into your plumbing.

Vinegar is the way to deal with hard water build-up. I would be careful of chemicals since you have a septic system.

I would recommend a descaler and a scouring stick. Empty the water in the bowl and tank, then pour the descaler under the rim onto the jets and all over the bowl as well as the tank. Let sit for 10 minutes and scrub with a toilet scrubber. I like the swab version. Let sit and scrub again. Wipe away. Use the scouring stick to scrub any spots that remain. Make sure you get a scouring stick rather than a regular pumice stone, it is formulated not to ruin the finish.

Search "Toilet tank cleaners". There are lots of them. I used one that foamed up in the tank and it worked well but can't remember the name. This was in a house with a septic tank.

Hello. Here’s a link that should help you with your DIY. It is pretty amazing what you can find when you lift off that tank cover. Hope this helps.

https://www.bobvila.com/articles/how-to-clean-a-toilet-tank/

For cleaing the jets (the ones at the top of the tank) I soak a paper towel in vinegar and before bed put the wet paper towel over the jets and let it sit all night.

Try a product called "The Works" from the dollar store. Pour in tank an let sit for a few hours. Do the same in the bowl. May need more than one shot at it if it is as bad as you say. Clean every week to prevent this once cleaned.

Hi! I use Limeaway from the dollar store. In the past I have used a can of coke poured into the tank and toilet bowl overnight to get the muck out.