Marine DepotMarine Depot sells the best aquarium equipment, nutrition and supplements the world has to offer. Take your tank from ordinary to extraordinary today!
free shipping over $39
714-385-0080
Contact Us
Dr. Tim`s Aquatics

First Defense Fish Stress Relief (16 oz) - Freshwater - Dr. Tim`s Aquatics

DQ1230

Add to Wishlist
Low Price Guarantee
Refer Friends & Get $10 |

Got New Fish?  First Defense will help them adapt to their new home.

First Defense should be used when doing partial water changes, disease treatment, or when fish are showing signs of stress.

Environmental changes can be highly stressful for fish, and can strip them of nutrients which can weaken their immune system. With a mixture of vitamins and immunostimulants, First Defense helps fish, as well as other aquatic livestock cope and adapt to their new surroundings, relieving stress that occurs from sudden changes of environment and water quality conditions.  Less stress, the less likely the fish will become succumb to illness.

First Defense can also be used to neutralize chlorine and chloramine, buffers pH from swinging, and detoxifies heavy metals.

Overview:

  • Reduces fish stress
  • Promotes healing, repairing wounds
  • Fights disease
  • Detoxifies heavy metals
  • Buffers pH
  • Neutralizes chlorine and chlormamine
  • Safe for invertebrates

Specifications:

  • 16 ounces will treat up to 960 gallons of aquarium water

Manufacturer Info

Dr. Tim`s Aquatics is the merging of the twin passions of the founder: fishkeeping and science. They make setting up and maintaining an aquarium easy by sharing practical advice and proven products developed through years of experience and their own real science.

Their products are developed with a simple goal – to make fishkeeping easy. You don`t need to be a biologist or chemist - they`ve got that covered! You don`t have to make mistakes – they`ve made hundreds so you can learn from them. Just have a little patience. There`s no magic or secrets – they`ve done the research and produced the products.

Dr. Tim has published numerous peer-reviewed scientific papers on nitrifying bacteria and filtration for aquariums and aquatic life-support systems. He also has written dozens of articles and columns for aquarium trade and hobby magazines. He has been an invited speaker to many national and international conferences and regularly speaks to aquarium societies.

Dr. Tim hold numerous patents for nitrifying bacteria, their use to accelerate nitrification in aquatic systems and their detection using molecular methods.

Ask a Question Earn 15 Points when you answer a question
Sort By :
 
9 Questions
Displaying questions 1-9
 
 

Free, Fast, and Flexible Shipping Options

  • $5.99 flat rate shipping for orders under $39

    Most orders under $39 ship for only $5.99 using a mix of economy shipping methods including UPS Ground, USPS First Class, and/or SurePost. Your order will be delivered in up to 7 business days after it ships out.

  • free shipping for orders $39+

    We ship 99% of the products we carry for free within the contiguous United States using a mix of economy methods including USPS First Class Mail, SurePost and UPS Ground. Your order will arrive in up to 7 business days. Just spend $39 or more!

  • free faster shipping for orders $250+

    Over 90% of shoppers receive their orders within 1-2 business days. Upgrade from free economy shipping to faster shipping for only $5.99—or spend $250 and we'll upgrade you automatically!

  • need your order even faster? no problem!

    Expedited shipping services are available for most products if you are in a hurry. Get guaranteed delivery in 2 business days, 1 business day, or next day by 10:30 am. Costs vary by location.

  • buy it today and we'll ship it today

    Same-day shipping is available Monday-Friday for most products—place your order by 10:30 am PST. Pre-ordered and back-ordered items do not qualify, nor do drop-shipped, live, or frozen shipments.

  • live plants, live foods, and frozen foods delivered to your door

    We ship live plants, live foods, and frozen foods within the contiguous United States. Each of these categories is subject to its own $19.99 flat-rate shipping fee to cover the special packaging and/or expedited shipping costs required to ensure safe delivery. Orders with 12+ live plants ship free!

Learn More About Shipping

60-Day Return Period with Easy Online Returns

Return any new and unused item within 60 days for a full refund. Having difficulty with a product? Contact us to speak with an aquarium expert. If you need a replacement, fill out this form.

A small segment of the 180+ brands we carry require that customers contact them directly if/when problems arise. You can view the full list of those brands and get their contact info here.

We are unable to accept returns of Digital Aquatics, Neptune Systems, Vertex Aquaristik, Aqua Illumination (AI), EcoTech Marine, GHL, or Seneye products once the manufacturer's packaging seals have been broken.

Marine Depot is an authorized reseller for every product we carry. That means when you buy aquarium supplies from us, your products are not only backed by our own 60-day return policy, they also carry full factory warranties, where applicable. Some items have a 1-year warranty, others have limited lifetime warranties. Warranty coverage varies from manufacturer to manufacturer, so please read the product description of the item(s) you are considering thoroughly for details or contact us if you have warranty questions.

Learn More About Returns

Earn 5% Cash Back for Most Purchases

Rack up reward points to earn discounts on future purchases! You can earn reward points by creating an account, writing reviews, referring friends, subscribing to our newsletter, buying products, and more!

  • Earn 5 reward points for every $1 you spend to get 5% cash back
    Most Products
  • Earn 1 reward point for every $1 you spend to get 1% cash back
    Abyzz, American Marine, AquaIllumination, AutoAqua, CoralVue, Digital Aquatics, EcoTech Marine, Giesemann, GHL, Hanna Instruments, Hydor, IceCap, Innovative Marine, Iwaki, Kamoer, Kessil, Klir, Korallen-Zucht, Maxspect, Mur-lok, Nano Box, Neptune Systems, NYOS, Oceanbox Designs, Pax Bellum, Radium, Red Sea, Reef Glass, Reef Octopus, Seneye, Somatic, Tunze, Vertex Aquaristik, and Waterbox Aquariums

You can also get bonus reward points by purchasing select items during special sales and promotions.

Learn More About Rewards

product
DQ1230 First Defense Fish Stress Relief (16 oz) - Freshwater - Dr. Tim`s Aquatics https://www.marinedepot.com/first-defense-fish-stress-relief-16-oz-freshwater-dr-tim-s-aquatics //www.f3images.com/IMD/1000/DQ1230/First-Defense-Fish-Stress-Relief-(16-oz)-Freshwater-Dr.-Tim`s-Aquatics-99.jpg Dr. Tim`s Aquatics InStock 19.99 USD 0.0 0