What are the best wood preservatives for eucalyptus outdoor trash cans exposed to acidic soils?

Protecting eucalyptus outdoor trash cans from acidic soil degradation requires specific wood preservatives. Acidic soils accelerate wood decay by breaking down lignin and cellulose fibers. For optimal protection, use oil-based preservatives like linseed or tung oil that penetrate deeply into eucalyptus's dense grain. Copper naphthenate treatments provide excellent fungal and insect resistance while tolerating acidic conditions. Water-repellent preservatives with wax and resins create moisture barriers against soil acidity. For severe acid exposure, alkaline copper quat (ACQ) treatments neutralize acidity while protecting against rot. Apply preservatives to completely dry wood and reapply annually, focusing on base sections contacting soil. Combine chemical treatments with gravel drainage layers to minimize direct soil contact and extend your eucalyptus trash can's lifespan significantly.