how hard/dangerous repotting from "bad" soil to good?

Since my soil ph is in the acidic range and I'm seeing MG deficiency I'm wondering if I should repot into a new soil.

My current soil is peat, pine bark, vermiculite, perlite.

Does pine bark make raising ph really difficult?

I have dolomite and am using it but man, I sure wish it would raise the ph faster. I don't mean to be impatient but after giving the soil dolomite a couple times I would have thought it gets better, even by a little. Everything that goes in now is at 7.0, even the dolomite mix. It's just not reacting very fast.

So when you have a plant with around 10-12 branches(12-18" tall), is it hard to remove from one soil and transplant to another? I think it could be real easy to damage roots. Any suggestions on that? I looked in FAQ and did not see anything on this type of transplant.

they are very easy to repot. you can go take them out of the pot, throw them against the wall, stomp on them and then put them in a new pot. PH up and PH down is pretty easy, it comes in a bottle.