Questions tagged [chemicals]
53 questions
9
votes
1 answer
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 cartridges? How do you know when they need to be…
Brad Mace
- 2,485
- 7
- 36
- 47
8
votes
1 answer
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 registering any chlorine.
Am I supposed to…
Eric
- 439
- 3
- 6
- 10
8
votes
4 answers
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 sulfuric acid to, and then periodically top off…
The Other Steven
- 1,233
- 6
- 14
- 27
5
votes
2 answers
Can I drill through chemical anchor resin?
In order to hang a TV wall mount* onto a hollow clay bricks wall, I decided to use chemical anchors to ensure the mount will endure with the TV weight.
(* originally came with 3 50mm Fischer wall plugs and 70mm hexagonal screws)
I injected the…
a--m
- 153
- 4
4
votes
2 answers
What's the difference between "silicone sealant" and "MS-polymer" sealant?
MS polymer (MSP) looks like silicone. It also comes in a tube, looks the same when it's liquid. Here are the differences I found with silicone caulk:
it looks a bit less flexible when cured (looks like hard rubbery plastic).
it's more expensive…
JinSnow
- 456
- 2
- 5
- 17
4
votes
3 answers
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 love our house.
But the smell!
I can't stand it,…
Bryce
- 10,586
- 12
- 64
- 107
3
votes
4 answers
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 not even display any active ingredients. All it…
zundarz
- 1,037
- 5
- 16
- 23
3
votes
6 answers
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 night the water was a blueish turquoise, but was…
bfodder
- 571
- 6
- 11
- 19
3
votes
1 answer
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 the toilet. It is very corrosive to metal and I…
amphibient
- 7,095
- 42
- 115
- 182
3
votes
8 answers
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 it up on the inside, by wetting the glass with…
hmijail
- 141
- 1
- 1
- 6
2
votes
1 answer
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 for drain cleaning also often already lay around…
Tomáš Zato
- 135
- 1
- 8
2
votes
2 answers
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 stick to it?
amphibient
- 7,095
- 42
- 115
- 182
2
votes
7 answers
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 bucket of some liquid (or other substance) that…
Guy
- 2,053
- 11
- 33
- 41
2
votes
1 answer
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 had experience with this? Is it a problem and if…
Myles Horne
- 83
- 5
2
votes
2 answers
Is there a way to rejuvenate an old bottle of Gorilla glue?
I have a fairly large (2 oz) bottle of "Original Gorilla Glue" which has been sitting on the shelf. I used it once or twice occasionally, but now it has gotten somewhat hard and crystallized and won't come out of the bottle.
I bought the big size…
natevw
- 181
- 6