Let's say you have several apple cider vinegars going, as I do. I often have pineapple vinegar, Susun Weed's "Old Sourpuss" vinegar-: a brew filled with herbs for the older woman's mineral needs, ahem; and then there might be raspberry vinegar or maybe triple dandelion(the second batch of leaves added to the first's menstrum, etc....)
...
If so, you might want to replace the lemon juice with vinegar. Also, lemons can be less than their best, depending on the season etc. and in this case, they are not the healers they would be--better to go with a good apple cider vinegar.
(or a mix)