Frequently Asked Questions
At this time, Price.com is unable to offer either cash back or coupons for this store. While we work closely with many retailers to bring you the best savings opportunities, some stores have policies that limit our ability to provide cash back rewards or share promotional coupons. If their policies change or new partnerships are established, we’ll be sure to explore adding cash back and coupons for this store. You can click the heart icon next to the store logo to get notified if and when these savings become available.
About Humboldts Secret Supplies
Humboldts Secret Supplies is a plant nutrient brand offering liquid fertilizers and additives for soil and hydroponic gardening. Its product lineup includes base nutrients, calcium-magnesium supplements, root and bloom enhancers, microbial and enzyme formulas, and specialty solutions for vegetative and flowering stages.
