Better for you, your spa, and the environment

The "Original" Enzyme Solution

Saves Money - Less Maintenance - Less Chemicals


All products have been tested and proven safe and effective for over 35 years. 100% non-toxic to children, pets, fish, birds, plants, rivers, streams, and ponds! The Natural Hot Tub Company uses 14 different enzymes in its Bio-Prepase™ (Water Treatment & Conditioner) formula. We tested thousands of different formulas over a period of years to find just the right mixture of enzymes that were effective. Enzymes simply “jump start” bio-chemical reactions. They are present in all living cells and are very specific in what chemical reactions they catalyze.

Enzymes work differently from chemicals because they don’t get “used up”, they are "recyclable." Our enzymes maintain their effectiveness for up to 3 months.


With this formula, we have a set of “master” enzymes that have been effective but at the same time keep the formula 100% safe for people, plants, animals and our environment. The Natural Hot Tub Company Bio-Prepase™, (Water Treatment & Conditioner), enzymes have some fascinating properties. Most enzymes are effective at lower temperature ranges. Natural Hot Tub Company’s Bio-Prepase™ enzymes are different because they continue to work all the way up to 180 degrees F! Very few enzymes can tolerate – much less thrive – at this temperature.

Hot water therapy is one of the most effective pain and stress relievers out there.
There is comfort in being in a spa and enjoying all the benefits without the itching, smell
and knowledge that you’re soaking in a chemical soup.

Deep Penetrating Spa Cleanser

The First Step to Clean Water

100% Guaranteed to clean away chemical residues and contaminates which have built up deep inside your spa's plumbing, fittings, and equipment. These chemicals are oxidizers that continuously eat away at spa pumps, plumbing, and seals thus lowering the life expectancy of your spa and decreasing its efficiency. We highly recommend using the cleanser for first time users of our products, first to remove all excess build up of contaminants in your spa's system, then once a year as a deep cleaner.

Cleans, Softens & Conditions Water

Keeps spa water clean, clear, and soft for up to 3 months. One 16oz bottle treats up to a 500 gallon spa. Leaves skin feeling silky smooth with no odors. Helps stabilize pH and alkalinity. Reduces or eliminates the need for many additional spa chemicals. Uses natural power of enzymes to clean and soften water, as well as medical grade lanolin to eliminate dry, irritated, or itchy skin.

Deep Cleans Filters Naturally

This all natural filter cleaner uses the natural power of enzymes with citrus to clean your filter(s) without the need for harsh chemicals.


        • Enzymes Break Down Oils & Lotions
        • Fresh Citrus Scent
        • Safe For All Pleated Filters
        • Eco-Friendly & Non-Toxic
        • Economical - Lasts Up to 1 Year
        • Non-Foaming


  • All Natural
  • Green Hot Tub Product
  • No More Itching or Rashes
  • Leaves Skin Soft & Silky Smooth
  • No Need to Shower After Use
  • Extends Time Between Draining
  • Helps Maintain pH & Alkalinity
  • Non-Foaming
  • No More Scum Build-Up
  • Safe For All Spas
  • Medical Quality Lanolin
  • Easy Filter Cleaning

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Call 540-989-0090

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