Hygrozyme is what I've been using for a couple years now bronson. I reuse my promix ( w/some ammending) and I can tell you hygro will eat up all the dead root mass way faster than sensizyme. That tells me it's a better product! I also have never had the hygro go nasty on me like 2 ltrs of the sensizyme has on me.

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That's a lot of jack for someting that will go bad  Hygrozyme isn't cheap, but it's way cheaper to use than sensizyme!! Others may feel differently, that's just my take on it

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sensizyme is a great product butttt i'm feelin hygrozyme much more, smells better and the girls just seem to pop a lil more when adding this to the res..

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…I dont think Karm has mychorziae which I believe is as impotant as my new love hygrozyme.

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 There are many products out there that contain humic and fulvic acids (Liquid Humus, Thrive Alive, Liquid Karma, Diamond Nectar, etc). They are not a significant source of plant nutrients, but are a soil stimulant and a transportation vehicle for carrying nutrients into plants. Once connected to the humic acid molecule, nutrients are carried into a plant in available forms that help intensify the plant’s metabolism and stimulate the soil’s natural activities.Hygrozyme works a little differently than Hydroguard and others. These brands introduce friendly bacteria into the res to help with root health. Hygrozyme contains no bacteria (i.e. it is sterile). They have a propriety process by which they remove the bacteria and leave the enzymes (which are spawned by the bacteria), thus introcing to foreign strains to the res. Hydroponics lends itself more towards this sterile environment, so Hygrozyme is especially useful there. It can also be used with any organic additives you have. Pretty good stuff, but not cheap. It definitely will keep your root zone in better shape, and you will probably see a slight increase in overall yield and plant health as well. Good luck and let us know if you see positive results from anything you try.

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 You can substitute the Sensizyme by some Grozyme/Hygrozyme and the B52 by some liquid karma from Botanicare.

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'Oxyplus' is 'H2O2' they are same thing its just food grade H2O2 and it is completely fine to use with Hygrozymes but not other zymes products. Hygrozymes are made in a different way and are the only enzyme plant additive product with no Shelf life so it lasts ages.
I don't know All the science but basically Hydrogen peroxide doesn't kill off the Hygrozymes because they aren't Organic anyway and should be treated as a totally different type of product to other Enzyme's. But works well in conjunction with Oxyplus bcos as soon as the old Root matter or bacteria's are broken down by the HZ...The H2O2 kills them off so avoiding any nasty smelly shit in your system or Rootzone! The H2O2 will kill off other 'Organic' additives so should only be used for its oxygenating properties in essentially Mineral Hydro Solution's not 'Pseudo-Organic Hydro'.

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 run gh with botanicare and hygrozyme. I am about to switch over to AN and keep the hygrozyme. Ive seen my ppm way off the charts after being babysat, and my plants were physically looked comepletely unaffected, I can only thank hygrzyme for that.
Just make sure your res has good circulation, enough air stones, and a solid cool temp.