AomyaCompatible HP Black Ink Refill Kit 500ml Dye Bulk Ink for HP Inkjet Printers Refillable Cartridge CISS CIS System (16.9 oz) with Syringe&Glove

Great product and great value.Probably won’t need to buy another for the lifespan of the printer

PROS:Best value I could find.Easy to use - as long as you can look up instructions on how to refill your particular ink.Very good print quality.Has not clogged our printers.Comes with everything you need.Cons:I couldn't think of any. I did try to. It's a rare item on Amazon where I can't find even a tiny thing to improve, but this is one of them. (Good job, seller!)

I bought this specifically because I found out that there is practically ZERO ink inside of black Canon ink cartridges. All I did was peel the sticker back, drill a small hole, fill it up all the way, draw some slightly back and now I pretty much have unlimited black ink.

Good ink value for your buck. work great with my Hp printer.

There is really only one thing to remember....don't fill more cartridges than you immediately need. The ink evaporates unless you get them sealed up well. Then they seem to clog. So I had two printers and did two cartridges. Also, I let them sit overnight, turning the cartridge periodically so that the sponge inside would have plenty of time to absorb the ink. I did that because the only spill I had was from the hole where I filled it......I turned the cartridge over after filling and some peaked out the hole. After turning it and letting it sit overnight, no more ink out of that hole. I did 10ml only in my XL cartridge. That will last plenty long and will absorb into the sponge easier. I worked inside of a shallow box since it was my first time and I was learning. I'll have less spillage next time.

Excelente producto.

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Product not worth it. I initially blamed printers, but realized that the ink was to blame. Others worked fine except this one.

installed in HP cartridge worked OK .Do not put on fingers takes a while it to disolves