I will preface this post with a disclaimer that I am by no means an expert. Use whatever precautions you deem necessary and do your own research on the chemicals involved.
I wanted to take my restorations to the next level and plate parts that were originally done this way. However sending out stuff to a company wasn’t really feasible for me since it was only occasionally going to be needed. A quick google search turned up a pile of how to videos and articles. The following two are ones I liked as they were very easy to follow.
http://www.cmoist.com/zinc-plating-on-the-cheap/
https://www.gomog.com/allmorgan/ZincPlatingAtHome.html
I bought all the ingredients from amazon except for the corn syrup and distilled water. They came from my local grocery store.
You also need a power supply. I bought one from Amazon that had both a Volt and Amp control. It also lets you adjust minor or large. Hence the left and right knobs. Lastly I also found a cheap small aquarium heater and a small submersible pump. The solution works best warm around 75deg and with a bit of movement. This helps greatly with getting everything mixed.