Skip to content

Flex H2O2 (34% Hydrogen Peroxide)




Root rot, weeds, insects, and fungus are all common issues faced in the upkeep of plants. If you’re looking to keep your plants happy and healthy look no further than then Flex’s H2O2 solution. Hydrogen peroxide is a multi-beneficial solution that helps the growth process of plants through the additional oxygen atom. This enables the roots to absorb nutrients in the soil, leading to stronger and healthier plants.

Your Garden's Success is our #1 Priority

HTG Supply is committed to providing you with the very best products, pricing and service in the industry. We will ship your order fast and discreetly packaged to protect your privacy. Buy with confidence knowing your HTG Supply purchase includes simple returns as well as lifetime product support. Call our team of real growing experts with your purchasing or product use questions, and we will be here to help!

See it for less somewhere else? Give us a call and we’ll beat any online competitor’s price!

Customer Service:  1-866-710-GROW (4769) | [email protected] | Hours: Mon-Fri 9:00 a.m. to 5:00 p.m.


Flex H2O2 – 34% Hydrogen Peroxide

H202, or hydrogen peroxide, can be used to solve a variety of issues in the garden. Spray the H2O2 solution onto the roots and soil of your garden, this then oxidizes the soil and allows the roots to absorb nutrients from the soil. This also helps with pesky issues such as pests and unwanted bacteria and fungi that inhibit the health of your plants. For Hydroponic setups, hydrogen peroxide provides a multitude of benefits such as killing off potentially harmful bacteria growth, combating low oxygen levels in water, and more!

H2o2 can also be used to aid in the disinfecting of tools and accessories to prevent the spread of diseases through plants.


  • Environmentally friendly solution for pest, bacteria, and fungi control.
  • Prevents root rot in plants and provides nutrients through oxidized soil.
  • Cleans and disinfects tools, reservoirs, and dripper lines.
  • Provides oxygen source for water.

How to use

To use on plants, dilute the Flex H202 solution with water and then spray the mixture onto areas of concern. Be careful not to over use the product, a little goes a long way in the care of plants.

Handling & Storing instructions

When working with Flex H2O2, wear rubber gloves to protect skin from coming into contact with the solution.

Ensure product is stored in a cool, dark place away from direct sunlight or another heat source. As with all garden chemicals, it should be in a tamper-proof bottle or flask.



There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.