Rates vary widely depending on the particular use, from 1:50 for sanitation of benches and floors, to 1:5000 in mist propagation. See specific Application Information:  https://bioworksinc.com/wp-content/uploads/20200915_PERPlus_APPLICA.pdf

PERpose Plus kills algae, fungi and bacteria on contact. It is not systemic. It may be used at a preventative rate of 1:300 dilution (or 1/3 fl oz/gal) as a weekly foliar spray. The curative rate is 1:100 dilution (or 1.0 fl oz/ gal); apply 1-3 consecutive days. [...]

The primary mode of action is oxidation of the outer cell membrane of vegetative endospores, spore cells, fungi and algae. It is a stronger oxidizer than chlorine or chlorine dioxide.

Its powerful oxidization means it can control and prevent algae, bacteria and fungi such as: Algae Aphanomyces Anthracnose Alternaria Black spot Botrytis (grey mold) Erwinia Fusarium (root rot) Leaf Spot Phytophthora (blights, rots) Plasmopara Pythium Powdery Mildew Pseudomonas Rhizoctonia Rust Scab Sclerotinia Smut Thielaviopsis Wilts & Blights Xanthomonas [...]

PERpose Plus is a hydrogen peroxide-based product specially formulated to prevent and control plant diseases and algae on equipment and hard surfaces, and in all stages of crop production. This 33% Hydrogen Peroxide formulation includes a patented, proprietary blend of stabilizers and buffers to counteract phytotoxicity and extend shelf [...]