Questions tagged [chemicals]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2
votes
2answers
172 views

What Household Items can be used to Clean Motherboards

I have a motherboard that require deep cleaning (its not just the dust we are talking about). I have seen over the youtube that people are using WD-40 and brake fluid to washaway the contaminants from ...
1
vote
1answer
73 views

Is this flowerpot insert made from asbestos?

I own three flowerpots with strange white inserts. I haven't bought them in fact they were already part of the 1970 built house when I moved in. I've heard of asbestos flowerpots but couldn't find ...
2
votes
1answer
67 views

Are there screws made of materials that should not be exposed to heat, smoke or propane?

I've been assembling a propane barbeque grill that came in a box. It came with an exact variety and number of screws to be used in assembly. But it's actually missing one screw. I found an old screw ...
0
votes
1answer
22 views

Combi boiler chemical replacement

I have a combi boiler (less than 2 years old, with plumbing that may be 25 years old) and I'm doing some work which will require a full drain of the heating system. I think I'm going to need some ...
1
vote
3answers
68 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 ...
0
votes
1answer
57 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 ...
0
votes
1answer
40 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 ...
0
votes
3answers
73 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 ...
3
votes
2answers
2k 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 (...
0
votes
1answer
2k 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 ...
1
vote
2answers
30 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 ...
1
vote
3answers
3k 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 ...
1
vote
3answers
90 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 ...
0
votes
1answer
399 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 ...
2
votes
1answer
942 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 ...
0
votes
0answers
52 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+...
0
votes
1answer
309 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 ...
2
votes
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 ...
3
votes
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 ...
1
vote
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 ...
2
votes
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 ...
1
vote
1answer
2k 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,...
1
vote
6answers
8k 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 ...
0
votes
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 ...
-2
votes
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. ...
1
vote
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 ...
1
vote
2answers
288 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/...
2
votes
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 ...
3
votes
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 ...
0
votes
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 ...
0
votes
1answer
761 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 ...
1
vote
6answers
60k 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 ...
0
votes
1answer
162 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,...
3
votes
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 ...
7
votes
1answer
6k 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 ...
3
votes
3answers
5k 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 ...
7
votes
1answer
32k 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 ...
8
votes
4answers
61k 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 ...