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DrTim’s Aquatics is the merging of the twin passions of the founder: fishkeeping and science. We make setting-up and maintaining an aquarium easy by sharing practical advice and proven products developed through years of experience and our own real science.

Our products are developed from that dream with a simple goal – make fishkeeping easy. You don’t need to be a biologist or chemist - we’ve got that covered. You don’t have to make mistakes – we’ve made hundreds so learn from us. Just have a little patience. There’s no magic or secrets – we’ve done the research and produced the products. Now we are happy to guide you to success with your tank no matter your level: beginner or expert we’re here for you. We encourage you to ask questions; to be curious; but most of all to enjoy.

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    Dr. Tim's Ammonium Chloride Solution for Fishless Cycling

    $3.99
    This bottle of reagent grade ammonium chloride is for use when fishless cycling. Concentration is 50 mg/L of total ammonia-nitrogen (TAN). Dose 4 drops per gallon of aquarium water.*  Use...

    Dr. Tim's Clear-Up H2O (Freshwater)

    $12.39
    Clear-UP clears cloudy white water.  Clear-UP is a 100% natural water clarifier consisting of beneficial bacteria, with the ability to "floc" small particles from the aquarium water.The result is clear...

    Dr. Tim's Clear-Up H2O (Reef)

    $12.39
    Clear-UP clears cloudy white water.  Clear-UP is a 100% natural water clarifier consisting of beneficial bacteria, with the ability to "floc" small particles from the aquarium water.The result is clear...

    Dr. Tim's First Defense (Freshwater)

    $10.59
    DrTim's First Defense was developed to help fish adapt to new environments by assisting the fishes' natural immune system. Environmental Changes Cause Fish Stress Changing the environment of a fish...

    Dr. Tim's First Defense (Saltwater)

    $10.59
    Chelating agent to detoxify heavy metalsVitamins to fight lateral line erosionGreat additive to freshwater dips of marine fish First Defense was developed to help fish adapt to new environments by assisting...

    Dr. Tim's NP-Active Pearls Bio-Pellet Reactor Media

    $23.99
    NP-Active Pearls are 100% biodegradable polymer bio-pellets DESIGNED and TESTED for aquatic systems that act as a carbon source for the growth of beneficial bacteria resulting in the removal of nitrate and phosphate from the water.Why use...

    Dr. Tim's One & Only Live Nitrifying Bacteria (Freshwater)

    $19.99
    The key to setting up a successful aquarium is to quickly convert the fish waste to a non-toxic form. This is done by nitrifying bacteria. Under normal conditions it can...

    Dr. Tim's One & Only Live Nitrifying Bacteria (Reef)

    $19.99
    The key to setting up a successful aquarium is to quickly convert the fish waste to a non-toxic form. This is done by nitrifying bacteria. Under normal conditions it can...

    Dr. Tim's Re-Fresh (Koi/Pond)

    $89.99
    Control Green or Brown Water in Your Koi Pond or Water Garden Use Dr.Tim's Re-Fresh in your koi pond to control brown or green water issues. Re-Fresh is a potent...

    Dr. Tim's Re-Fresh (Freshwater)

    $17.59
    Keeps surfaces cleanMaintains water clarityRe-Fresh revitalizes old, green/brown aquarium water.  It is a potent combination of beneficial bacteria that work together to maintain clear water, clean aquarium surfaces and eliminate...

    Dr. Tim's Re-Fresh (Reef)

    $17.59
    Keeps surfaces cleanMaintains water clarityRe-Fresh revitalizes old, green/brown aquarium water.  It is a potent combination of beneficial bacteria that work together to maintain clear water, clean aquarium surfaces and eliminate...

    Dr. Tim's Waste-Away Sludge Busting Bacteria (Freshwater)

    $11.59
    Waste-Away is a unique combination of bacteria that attack and dissolve organic wastes in the aquarium quickly. Even with good maintenance and monthly water changes, sludge and wastes remain in...

    Dr. Tim's Waste-Away Sludge Busting Bacteria (Reef)

    $11.59
    Waste-Away is a unique combination of bacteria that attack and dissolve organic wastes in the aquarium quickly. Even with good maintenance and monthly water changes, sludge and wastes remain in...
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