Is anyone out there using an automatic fertilizer system? I've thought of adding one either to my current drip line or a separate one via a hose bib. Do you know of a good all purpose liquid fertilizer? I've been using Dr. Earth Life granules and it has become more time consuming and tedious as the landscape has grown.

If not an automatic system then perhaps just liquid fertilizer via a hose end sprayer every 3 weeks but again which one, there are so many to choose from. Most (not all) of my plants like acid conditions. Thanks.