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HCL or CLR are okYes, however it may not be the best choice. Muratic acid (HCL) is Hydrocloric acid and used in Swimming Pools and labs to adjust pH. It also generates free chlorine which may be bad for some fish and your containers.

Not all plastic tanks are acid safe so check the codes for HDPE

Then TEST a small spot.

Better yet a hard scale or lime remover like CLR may work better and dissolve faster.

A strong Vinegar or a weak Sulphuric Acid solution would also be better than a HCL solution for fish.

Most fish are very pH sensitive so rinse very well...

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โˆ™ 2011-09-13 18:01:45
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Q: Will muriatic acid remove hard water deposits from a plastic tank used to mix salt water for aquarium use?
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Related questions

Can muriatic acid remove paint from concrete?

No. Muriatic acid will not remove paint from concrete. Muriatic acid will etch bare concrete though.

Will muriatic acid remove calsium?


Can muriatic acid remove rust?


What will Muriatic acid do to the paint on a car?

It will remove pigeon feces

Will muriatic acid remove rust from pips?

I think it might remove rust AND pipes. Be careful with that stuff.

How do you remove mineral deposits in a cast iron teapot?

You can remove mineral deposits from your teapot with a mild vinegar solution.

Why is copper sulfate better than Muriatic Acid to remove root growth?

Because the muriatic acid will eat everything else up too, including your pipe!!!

How to remove cement from a vinyl liner?

muriatic acid should work fairly well

Will Muriatic acid remove paint from brick?

Shouldnt think so.Best way is to sandblast

How can I remove Brown stains in marbelite pool?

Drain pool and clean with muriatic acid

How do you remove effervescent from terracotta tiles?

Use diluted muriatic acid and a scrub brush to remove efflorescence. Neutralize with water or ammonia.

How do you remove items from your aquarium on gaia?

When you hover your mouse over a specific item, there SHOULD be a small 'x' in the corner. Click it to remove said item from your aquarium. It then goes to your aquarium inventory (which can be acessed in the drop-down menu on the left side of the aquarium). ~Hope it helped~

How do you remove deposits from carafe?

Boil them in vinegar.

Can muriatic acid remove cat odors from concrete?

Although muriatic acid is effective at removing cat odors from cement it is a very dangerous acid. Diluted with water, it makes an effective cleaner for cement.

How do you remove rust from plastic?

By using white vinegar we could remove rust from plastic.

How do you remove concrete from marble?

Muriatic acid will remove concrete from marble. You can also sand it off. Using a scraper may also help to free it.

How do you remove calcium deposits off brick?

There are commercial brick cleaners like muriatic acid - but there are also some cleaners that are more people friendly and environment friendly that your hardware store person can show you. Wear eye protection and body/hand protection when using one of these cleaners!!

Can you use muriatic acid to clean your spa?

Muriatic acid is very dangerous. It can cause lung damage even death. Please read instructions. Yes it can be used to clean the plaster only. It will not remove any hard water (calcium ) deposits on the tile. In fact it's best not to let it linger on the tile and grout because it will etch the tile and remove the grout. Oh it will also remove the plaster if left on too long. It's better to hire a professional. I clean tile for a living but refuse to acid wash pool/spa d/t danger.

How do you remove scratches from plastic?

Scratches can rarely be removed fro plastic. The only way to remove scratches from plastic is to melt the abrasions.

Will muriatic acid dissolve cement?

I was looking for a way to remove dried cement on tiles. I read most builders use muriatic acid. You could also use hydrochloric acid but it is a little corrosive. EJ

How do you remove galvanize?

To remove galvanize, practically any acid can be used. Using muriatic acid is a good way to remove galvanize. It does not matter whether it is electroplated, hot dip or galvanneal.

How do you remove melted plastic from glass?

To remove melted plastic from glass allow the melted plastic and glass to completely cool. Wet a cloth with ammonia, wring it out so that it is not dripping, but still very wet. Place it over the plastic and let it sit for at least 60 minutes. Remove the cloth and use a plastic scraper to remove the melted plastic.

How do you remove mortar smears no chemicals from laid bricks?

rub with a smoothing stone and then powerwash off the excess. for better results use muriatic acid and water mixed one part muriatic to five parts water

How do you remove super glue from hard plastic?

Anything that could remove it could also damage the plastic.

How to remove dark deposits around the root of teeth?