Cover iron with a layer of copper, How to make copper plating of iron

Hello everyone! Today I will cover metal surfaces with a layer of copper For this you will need - distilled water... Electrolyte for pouring into batteries, or sulfuric acid solution Copper sulfate CuSO4. But don’t rush to buy one, watch the video to the end. It is important! Pour copper sulfate into distilled water Mix everything thoroughly Next, we pour the prepared electrolyte, or a solution of sulfuric acid H2SO4, into the copper sulfate solution Something strange, the solution changed color from blue to green Maybe it should be like that? I will find out now I degrease the metal sample for its copper plating The focus was not successful, the steel drill was not covered with copper, as it should have been This green bastard doesn’t work After many experiments, what is the matter, I found out that - the copper sulfate from the garden store is not exactly what they sell, or maybe it has some impurities Then I bought technical copper sulfate in a spec