Read this on Botanicare's site

Q: Can I use hydrogen peroxide with Pure Blend Pro or Liquid Karma?
A: No, hydrogen peroxide will kill off the beneficial microorganisms present in Pure Blend Pro and Liquid Karma.
Biggins Reviewed by Biggins on . WeedHound's Nute Schedule for Hydro/Botanicare By request....I'm not very good at detailiing things analytically so I'll just babble it out. My nute supplies consist of Botanicare Brand: Cal Mag Plus Pro Grow Pro Bloom Hydroplex Rating: 5