Jacquard Acid Dye 8oz Jar Jet Black - Acid Dye for Wool, Silk, Alpaca, Feathers, Cosplay Wigs and Nylon - Powder Wool Dye for Full Coverage Dyeing - Vibrant Acid Silk Dye

I don't have experience in dyeing, but I followed the instructions as exactly as I could in dyeing a 40-year-old cream-colored aran with a few small stains. I had a large canning pot (an even larger one would've been better but I'm not sure they're made any larger), and I was careful about gradual heating and cooling. It was in adding the vinegar that the true color popped out -- a rich brown, just what I wanted. However, I think that this sweater had "background" discoloration that I didn't see, or perhaps something else going on, as the dye took unevenly, and there are darker brown and redder sections in places. The sweater was large, so maybe the pot was too small (sweater weighed 1.15 lbs dry) and didn't allow for enough stirring, but I sure made an attempt at it (even while being careful not to over-agitate). As I washed it afterward in Synthrapol to remove extra dye, I read on the label that one could add it to the dyepot to encourage even uptake -- wish I'd read that first. I see that another reviewer has mentioned soda ash or urea, and one of those might also have helped. So I don't know whether the issue was not enough stirring or background discoloration in the wool that led to uneven take-up, but the end product isn't great. I can and will wear it at home but probably not to the office. These issues aren't the fault of the product but rather of my inexperience and/or the item I was dyeing. The product was fine, the color a really nice true-brown. So: do as much prep as you can. This activity took several hours (not at all once), so allow for that as well. I'm uploading a picture but it doesn't do the brown justice -- a brown like a dried oak leaf, or tobacco and there are also shadows across it.

Amazing product. Wonderful rich color! I dyed a cashmere sweater according to directions and it worked beautifully.

This worked wonderfully on my father-in-law's old wool slacks. The color was rich. I'm very happy with this product.

Worked like a charm! Dyed a blah sweater teal- gorgeous!

This product did a great job on a merino sweater that I had spilled hot tea on and couldn’t get the stain out of. The online video directions were perfect. I had never dyed anything before this and it came out great.

If you want an electric pink on steroids--this is it! I love it. It's the color of a pink highlighter. I don't know if it actually fluoresces, but it's bright. It's exactly the shade I wanted to dye wool with. However. I dyed some raw farm wool last night with this. The pH was 4 and the dye pot was held at just under a simmer for over an hour and the dye did not exhaust. I let it cool completely in the pot overnight. And today, when rinsing, there was a lot of bleeding. Now, the wool is not oversaturated because I used this dye very dilute. I wasn't going for a deep dark pink--I was going for a very light color. So I'm worried about fading for two reasons: 1) it's fluorescent which means it's fugitive (fades quickly with time, exposure to sunlight etc) and 2) The dye bath did not exhaust and the dye is running during rinsing which means it may run every time I wash this wool. So. This is quite the dilemna. I'm contemplating overdying it with a different brand in a ho-hum magenta just so I can be sure that it will actually stay pink. I'm not sure I want to mess with this anymore because dying wool is such a big production. BUT. Despite manufacturers stating that acid dyes need a pH of 4.5 to effectively strike, some dyes seem to need a much lower pH to fully take up. pH is on a logarithmic scale--so 4 should have done the trick, but I'll try going a bit lower to see what happens with this. One more chance Jacquard. I'll report back later if I come to any distinct conclusions about this. Every dye is different. I wish the manufacturers would give us all the info on each individual dyes quirks so we can make informed decisions instead of having to find out on our own after paying for the dye. Harumph.

I was trying to make linen napkins for a friend. I had never used this product before but the directions seemed simple. However it doesn't tell you how much to use per gallon of water. It simply says put some dye in water with some citric acid and cook your fabric for 30 minutes. Well.... THAT DIDN'T WORK. I made some fabric testers, 12 pieces of 12x12 inch linen. I used a big enamalled pot, about 5 gallons of water, 2-3 ounces of the 8 ounces total of dye (almost 1/2 the container), a few ounces of powdered citric acid I had in my other dyeing supplies. Got the water hot, nearly boiling, like the directions say, then turned it down to simmering. LEFT IT ON THE STOVE A FULL 8 HOURS while I was at work. I ended up with BROWN linen napkin testers. CHOCOLATE BROWN. NOT EVEN CLOSE TO BLACK, even though the wooden spoon I used to mix the dye was dyed a very nice black. So why wasn't the fabric dyed black???? I'll never know, but I certainly won't trust this dye again. I don't use cotton, pretty much all of my white/beige fabric is linen. They're both cellulose fibers, shouldn't make that big a difference. bottom line: IT DIDN'T DYE THE FABRIC BLACK. Not even after EIGHT HOURS SIMMERING IN DYE.

Works like it should, when I eventually got the right product

Brilliant just what I needed

I managed to repair an apple green dress dyed with Dylon violet - ending up being stool brown with this amazing product. I highly recomand it! Was like a miracle to make a nice colour again. I dyed wool so I didn't used hot water as they advice but I still got very good result.

You can't go wrong with Jacquard acid dyes when dyeing animal fibre. The colour is reliable and fast ones set with citric acid or vinegar. A terrible shame the whole range of colours aren't available more widely from a UK seller.

Sieht nach Kürbis aus. Ein klein bisschen matter als erwartet. Das Material ist naturfarbener Kaschmir. Verwendet habe ich fast die ganze Packung.

I bought this to dye nylon cord as it said it's for nylon. Didn't work. Might be better on cloths.