One and Only Live Nitrifying Bacteria removes toxic ammonia and nitrite, instantly working to prevent new tank syndrome by establishing a biological filter in your newly set-up aquarium. Use when setting up a new tank, after...

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One and Only Live Nitrifying Bacteria removes toxic ammonia and nitrite, instantly working to prevent new tank syndrome by establishing a biological filter in your newly set-up aquarium. Use when setting up a new tank, after a disease treatment or water changes. 2 oz size for saltwater aquaria up to 30 gallons. One and Only has no sulfur or other offensive odors. Made by the recognized expert in aquarium nitrification and microbiology.

  • THE BEST WAY TO SANITIZE A SALTWATER AQUARIUM: Saltwater One & Only from DrTim’s Aquatics quickly converts waste in aquariums and fish tanks to a non-toxic form. Utilize this powerful solution when setting up new fish tanks, while cleaning filters or adding new fish or after a water change.
  • REMOVES HARMFUL TOXINS FROM SALTWATER FISH TANKS: Even with regular water changes and maintenance, aquariums and fish tanks produces bad bacteria and it can take up to 30 days to eliminate waste. Not with Saltwater One & Only because this solution instantly creates a bio filter to remove nitrite and toxic ammonia naturally.
  • 100% NATURAL, ECO-FRIENDLY FISH TANK CLEANER: There’s no need to wait when treating your new saltwater aquarium or fish tank with One & Only. This fish tank cleaner eliminates new tank syndrome and does not include sulfur or other offensive odors.
  • AQUARIUM SUPPLIES YOU NEED: Offer your pet fish and corals an environment in which they can thrive with this Saltwater One & Only for saltwater fish tanks and aquariums. Saltwater One & Only is available in quantities that include 2, 4, 8, 16, 32, 64 and 128 ounces.
  • HIGH-QUALITY AQUARIUM PRODUCTS: DrTim’s Aquatics offers an expansive line of aquarium products used by professionals and residential customers. Based on years of experience in marine biology, DrTim’s Aquatics’ products utilize his vast knowledge and are backed by scientific evidence and innovative research.

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