Spruce Weed & Grass Killer₃ Refill, No-Mix (64 oz) Review

Correctly carries NO EPA registration number: this is a FIFRA section 25(b) minimum-risk pesticide, exempt from federal registration. What that means for a reader is worth stating, because 'EPA exempt' reads like a safety endorsement and is closer to the opposite: EPA has NOT reviewed this product's label, its claims or its efficacy. The exemption is granted on the ingredient list, not on evidence that the product works. So there is no label to check and no approved claim to hold it to, which is why our review of it rests on what the chemistry can physically do rather than on any label promise. Ingredients — cornmint oil, geraniol, sodium lauryl sulfate — are 25(b) eligible and the product is described as a minimum-risk pesticide exempt from federal registration. Checked 2026-08-03. Note it is a CONTACT desiccant: it burns foliage and does not move to roots, which is the limitation that matters far more than the exemption status.