Happy to know the new name to VK….Michelle.
Great that you welcome your blessing and open to receive the energies from the very first moment you received your Michelle , and that you know its SHE 
<3
Appreciate your enthusiasm in taking care of many things in your life.
Hope you have read the posts in BASICS OF VIBBES KADA Section.
Also read as many articles as possible each day on Cosmic Serums and use of VK on litairian website to explore VK more and more.
Some more basics related to your questions.
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Making the healing request or charged water ….should be done separately for aspects which are not related.
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If you combine energies related to different issues in same water or requests, you will get divided energies.
Spondylitis and hair are different issues, so separate healing for these.
One sip or one glass of water both are considered as one dose, so you need not drink 3 lits for one healing aspect.
You can divide the water for different healing and keep sipping through the day with a gap of 10 min between 2 different waters.
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Cosmic Serums work on blockages at all levels, body mind and soul. So allow them to work for you.
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VK emits energies continuously to the person who wears it , and may boost the aura, chakra, remove blockages on its own too….which you are already experiencing.
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Spiritual awareness will also increase. You can even do meditations with VK.
With practise and exploring VK in many ways….you can increase your spiritual and mental awareness. Allow it to happen on its own as each individual has his/her journey of raising their level.
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Take your time to learn VK and do simple requests to your VK in your own words.
Regarding healing for specific issues, i am posting the combinations in next few comments