NO Refrigeration needed, Treats pond water as low as 40 degrees (F)

New Dosage Info

Dosage by water temperature

  • 40° to 49°: Double normal dosage (8 tsp)
  • 50° to 62°: 1.5 x normal dosage (6 tsp)
  • 63° and above: Normal dosage (4 tsp)

Reduce Deadly Ulcers and Deadly Water Borne Bacteria in your koi pond:

  • Aqua MedZyme: Permanently reduces ALL strains of deadly ulcer causing Aeromonas, Pseudomonas in your koi pond by starving them to death
  • Aqua MedZyme: contains 760,000,000 yes, seven hundred and sixty million HUNGRY "beneficial bacteria" per ml that eat the same food as Aeromonas, Pseudomonas, which starves them to levels so low they can not harm your koi fish or pond fish.
  • SAVE 33% There’s another advantage of Aqua MedZyme Liquid, because of its "superior strength" it takes 33% less Aqua MedZyme at pond water temperatures between 63 to 68 degrees, than the other "Zyme" on the market and Aqua MedZyme is priced less! There are many more fish ponds in the US that will maintain a 63 degree pond water temperature for a longer period of time than a 69 degree pond water temperature! Use Aqua MedZyme and save more than 33% costs per year!


  • SKU Description Price ShoppingCart
    5542 Aqua Medzyme Liquid 16 oz. Treats 16,000 to 48,000 Gallons $30.99  
    9135 Aqua Medzyme Liquid 32 oz. Treats 32,000 to 96,000 Gallons $42.99  
    4751 Aqua Medzyme Liquid Gallon Treats 128,000 to 384,000 Gallons $139.99  


    Aqua MedZyme:

    • Treats fish pond water as low as 40 degrees (F) Great for early spring & late fall treatments or locations where the pond water temp does not reach 55 degrees until late spring
    • Formula has been tested extensively in Koi Ponds, Commercial Aquaculture Applications, Private Veterinary laboratories and University Studies
    • Can be stored for two years at room temperature or 3 years if kept refrigerated
    • DOES NOT contain chemicals, antibiotics or medications, 100% natural
    • Is safe for pond filters, plants, pets and wildlife
    • Will keep your koi fish and pond fish safe from the "deadly bacteria" in your pond! That's what makes Aqua MedZyme the number one choice of the most successful pond keepers across the U.S.

    Now here's the Best Part! With ALL the advantages over the other "Zymes" on the market, Aqua MedZyme™ LIQUID Is still priced less!