The wastewater treatment apparatus of present invention has an electro-coagulation unit for removing contaminants with at least one anode and at least one cathode and an electro-oxidation unit for oxidizing contaminants with at least one anode and at least one cathode wherein oxidants are electrochemically generated. Each sight having light-gathering means functions dependently defining a highly visible aiming point. Also provided are methods for accelerating breeding of Theobroma cacao plants of the porcelana variety with modulated levels of proanthocyanidin, its precursors and it polymers, useful in various medical and skin care products.