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Aqua Meds Dual Blend

Aqua Meds Dual Blend

Regular price $47.00 USD
Sale price $47.00 USD Regular price
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Shipping & returns

Free shipping over $149 to the lower 48 states ($15 flat under). Ships in 1 business day. 30-day returns on unopened items. Free pickup in Miami.

Dual Blend is the year-round beneficial bacteria for koi ponds: it combines Aqua Meds' cold-water Arctic Blend and warm-water Summer Blend in one dry concentrate. It removes ionized and un-ionized ammonia, nitrite and nitrate, reduces bottom sludge, removes algae-feeding phosphorus, and helps a filter of any size keep up with a heavy fish load. In South Florida, where the pond never really shuts down, it is the one bacteria product that covers every month.

How to use it

Begin when the water is 55°F or warmer. Initial dose is 6 grams per 1,000 gallons every day for 4 days, then 4 grams per 1,000 gallons every other week for maintenance. Dilute the powder in a cup of pond water (bottled water if your tap water is chlorinated) and add it to the pond. It keeps working in water as cold as 35°F, so there is no need to stop through our winter.

Sizes and coverage

  • 1 lb
  • 2 lb treats 10,000 gallons for about nine months

100% natural, no chemicals, safe for pets and wildlife. If you are seeing ammonia or nitrite on the test kit right now, use H2O Neutralizer to make the water safe today and Dual Blend to fix the biology. Keep out of reach of children; not for fish intended for human consumption.



What Our Customers Say

  • “Extremely happy with my experience. Communication was excellent, KOI were packaged and shipped with great care, arrived in excellent health and condition. They really take pride in what they do. I am 100% content with my new koi.”


    Daniel Radocaj
    Google review
  • “House of Koi provided amazing quality fish and fantastic customer service. Very happy with my purchase. I ordered 8 koi in total and they are all beautiful, happy and healthy. The pricing for these fish was also very fair for the quality and genetics I received. I would order from them again!”


    Andy Pintos
    Google review
  • “Top notch attention/service regarding a shipment that UPS delayed. Two large koi were very well packed so they still arrived in great condition! Great quality koi.”


    Jerrol Fisher
    Google review
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