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Questions tagged [chemicals]

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24 views

How can I reduce chemical smell from mugs sealed with clear coat? [closed]

I am painting onto enamel mugs and using a 2K to seal the paint as it gives a good finish and protects the paint from coming off. when I pour hot water into it there is a terrible smell - how can I ...
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3answers
66 views

How to check whether demolition brick is safe to use?

I would like to reuse demolition brick from building that was part of chemical factory. Factory was closed about 10 years ago, I know that sulphides and acids were heavily used there. I wonder if it's ...
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1answer
52 views

Need tips, approach, or method(s) to eliminate smell/odor in a closet short of a tear down?

Here's some background: We bought this house in July of 2017. The previous owner left a hall closet full of GNC-style product (it was packed with pills of all kinds). It primarily smells of those ...
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1answer
29 views

Etching solution vs muriatic acid to prep concrete for epoxy

I'm thinking of ways to remove the concrete cream from my concrete in preparation for epoxy finish. Rather than grinding, I need to use chemicals. Initially was thinking muriatic acid but it's in a ...
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3answers
66 views

Disposal container for muriatic acid

I need to do work with muriatic acid and was wondering if storing the waste (12 Oz of acid per gallon of water) is okay to do in a regular plastic 5 gal bucket. My concern is whether the acid could ...
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2answers
363 views

what's the difference between “silicone sealant” and “mastic/MS-polymer sealant”

MS polymer (or "mastic") look like silicone. It also comes in a tube, looks the same when it's liquid. Here are the difference I found with silicone caulk: it's looks a bit less flexible when cured (...
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30 views

what chemical to use for power washing a brick wall

I am cleaning the exterior brick wall. The power wash takes away most of what appears to be a green algae. But close to the ground the stuff does not come off easily. There are also some brown stain ...
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1answer
1k views

Can I use vodka instead of isopropyl alcohol?

I have to remove some hot glue and apparently the trick is isopropyl alcohol. Of course, I don't have isopropyl alcohol in my house but I do have lots of vodka (don't judge). Can vodka generally be ...
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2answers
28 views

Washing greasy/contaminated construction textiles [closed]

I'm collecting greasy/contaminated construction textiles (shirts, rags etc) in a dedicated bucket and not with general laundry. Is there a recommended general (meaning it works with most types of ...
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3answers
2k views

How can I remove residue left after removing aluminum foil from my windows?

Let's see whether this is a question for DIY or for Chemistry. I put up aluminium foil on my windows for a few days, to test whether it was a good way to avoid the heating by the morning sun. I put ...
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3answers
89 views

“nuclear option” for mold growth on ceramics and other tiles?

I have to clean a long-neglected area that has mold growing on tiled walls and floor. Soap and a good brush is called for, but I'd like to "fortify my assault" with household chemicals. Is there any ...
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1answer
314 views

Removing calcium carbonate deposits without damaging tiles

I live in an area with hard water, leading to calcium carbonate deposits all over my tiled bathroom. I want them gone, but I don't want to risk damaging the tiles. The red arrow points at deposits ...
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1answer
631 views

How to fix toilet jets clogged with chlorine tablet chunks

The flush on my toilet is weak. It went from strong to weak overnight. It flushes fine if I dump in extra water. I watched and the flapper does stay open until the reservoir is adequately empty. I ...
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0answers
47 views

Can I flush old bleach solution without hurting the environment much?

I live in the Midwest. Sometimes I clean things with a bleach solution (probably about 12:1 to 24:1 water:bleach), and end up with a bucket of solution. Now I have about 1/2 gallon of water+bleach+...
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1answer
255 views

Restoring plastic chairs

Before I take them to the dump, is there anything I can do to restore them? Are there any chemicals to clean them? I was going to repaint them using spray paint but it was taking too long and almost a ...
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1answer
2k views

Chemical drain cleaning - acid, base or something else?

There are industrial drain cleaners but according to my research on them, they are mostly overpriced bottles of simple chemicals such as sodium hydroxide. Chemicals that can (theoretically) be used ...
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4answers
1k views

Duct Cleaning: Is Duct Sealer Necessary, Non-Toxic?

A professional contractor is cleaning AC Ducts, and after he scrubs the ducts, he wants to apply an acrylic duct sealer and de-odorizer. The container of the duct sealer has minimal lableing and does ...
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1answer
81 views

How safe are flammables as indoor cleaners?

I just cleaned some range hood duct with Seafoam. I was wondering how long after initial application things like it or rubbing alcohol remain active on the surface to present a fire hazard. How do you ...
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2answers
3k views

What can I use as a concrete release agent for aluminum forms?

If I need to use aluminum sheeting as form for pouring concrete or another cement product, such as mortar/stucco, is there something (chemical) I can coat the sheet metal with so the cement doesn't ...
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1answer
1k views

How should I dispose of Sulfuric Acid?

I have about 30 ml of leftover Sulfuric acid. There is a similar thread on this board suggesting ways to dispose of it. They involve adding baking soda after adding the sulfuric acid to water. However,...
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4answers
7k views

How do I make carbon dioxide for a mosquito trap?

I have an insect/mosquito zapper. I want to attract the mosquitoes to this zapper to kill them. The best way to do this is by producing carbon dioxide next to it. I'm thinking that if I put a jar or ...
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2answers
95 views

Is this water stain from rust or (other) minerals

I have a 2nd floor hot-mopped deck with grouted slate tile placed on top of it. During rain, water comes out between the hot mop and tile layers and runs down the side of my home, leaving stains on ...
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2answers
2k views

Allergies in brand new apartment [closed]

Recently I moved into a new apartment, and have had pretty bad allergies since. I wake up with allergies that last a few hours and then go away around lunch time, but the allergies return at night. ...
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2answers
6k views

How to strip paint off cast iron?

I'm looking to refurbish a bench that disintegrated over the years. The bench ends are still in decent shape, but I need to clean off the remaining paint and rust. My main concern is that I don't ...
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2answers
280 views

Do polyphosphates reduce scale in refrigerator ice makers?

I am considering switching to a polyphosphate-containing water filter for my refrigerator ice maker/water dispenser. Currently, I use softened water to prevent calcium build-up in the ice maker/...
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1answer
1k views

Sawdust from treated wood on my lawn

Over the weekend I built a playhouse for my kids in the back yard using pressure treated lumber. As I was cleaning up I realized that my lawn was covered in chemical laden sawdust. Has anyone here ...
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5answers
39k views

Metals in pool turn water green after adding shock, what's the solution?

Our pool hasn't been opened in 4 years. We are finally in the process of resurrecting it from the dead, and have spent a lot of elbow grease (and tears) to get it to the point its currently at. Last ...
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4answers
2k views

How to remove masking tape residue from linoleum?

I attached few pieces of masking tape to a linoleum floor to help a child with her exercises (long jump kid-style). Now when I removed the tape, there is residue left through the whole length of the ...
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1answer
719 views

Can hydrochloric acid vapors corrode nearby metal items?

I have a room where I exposed a brick wall and redid the mortar by tuckpointing. It look beautiful but the whitish residue from the mortar needs to be cleaned and the best way to do it is using ...
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6answers
55k views

How to solve the problem of sticky Danish oil?

I ignored the warnings about not getting spray disinfectant on our oak kitchen surface which is finished with Danish oil, and now the surface has become really sticky, attracting dust and crumbs and ...
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1answer
159 views

Which pH should I aim for when neutralizing restored/refinished antique surfaces?

I have recently used different chemicals to restore, refinish and treat various types of wall and millwork surfaces. E.g. I have stripped old paint using Peel Away 1 from plaster and antique millwork,...
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1answer
24k views

What is the proper way to dispose of used hydrochloric acid?

What is the proper way to dispose of used hydrochloric acid (e.g. Sureklean 600)? My municipal waste station does take toxic waste periodically but I was wondering if it can be safely flushed down ...
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1answer
5k views

When to replace respirator filters?

I've got a respirator like this one: I assume with the particulate filters (for dust) you just change them when they get hard to breathe through, but what about the organic vapor or chemical ...
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3answers
4k views

How can I mitigate copper naphthenate (copper green) smell indoors?

Our contractor treated the edge of some plywood and the bottom of some studs with copper naphthenate. The goal was to treat yummy wood at the concrete interface, which is a good thing since termites ...
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1answer
31k views

Should I superchlorinate a freshly filled pool?

I have a small (2000 gallon) pool that I recently filled. I put a couple of 1" chlorine tablets into the skimmer 24 hours ago, and even after running the pump all day, my test strips are not ...
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4answers
59k views

What should I do with leftover sulfuric acid from a sump pump battery backup?

In our new house, we found that a previous owner installed a sump pump battery backup unit, which is nice. The battery in the system is like a car battery, but it's the kind where you initially add ...