Bach Original Flower Remedies Mixing Bottle 30ml. More than one Bach Flower Remedy may be suitable for your situation.If so, you can combine up to 7 remedies if neccessary. Directions for use... Once the remedy or combination of remedies has been chosen, add two drops of each chosen remedy into the mixing bottle(30ml) containing still mineral water. Take 4 drops a minimum of 4 times a day until relief is obtained. A mixing bottle will usually last 3 weeks, at which point it is useful to reconsider your choice of remedies to see whether the same ones still apply.