Yes your method is correct you can use VK this way also.
Please maintain a gap of 10 minute between consuming charge water with different energies.
One more thing to be clear sir, if you charge your cofee with total wealth serum and then you request VK for any financial issues is ok.
If you intake coffee with total wealth serum and you request VK for any health serum, or VOb or any other process.
Please check it correctly and maintain a gap between two healings aspects.