DrTims Aquatics One & Only Live Nitrifying Bacteria for Freshwater Aquariums

Jorge: Dr. Tim’s Aquatics Freshwater One & Only Nitrifying Bacteria has been a game-changer for my new fish tank. This product has exceeded my expectations in various ways.

Setting up a new aquarium can be challenging, especially when you’re trying to establish the right balance of beneficial bacteria. Dr. Tim’s Aquatics One & Only made this process a breeze. It quickly kick-started the nitrogen cycle, allowing me to introduce my fish sooner than I expected.

Not only did it facilitate the establishment of a healthy biological filter, but it also acted as a disease treatment. It provides added protection for my fish by removing toxins and promoting water clarity.

I particularly appreciate that this product is eco-friendly, which aligns with my commitment to responsible aquarium maintenance.

In conclusion, Dr. Tim’s Aquatics Freshwater One & Only Nitrifying Bacteria is an exceptional product for anyone with a new fish tank. It’s efficient, eco-friendly, and a true lifesaver for both your fish and your peace of mind. I highly recommend it for any aquarium enthusiast.

United States on Oct 23, 2023

MusicSound: Not sure about this stuff as recommended dose first time 2 fish losses so been using lesser dose.

United Kingdom on Mar 11, 2023

MD: It didn't start working on few first days until after doing a little bit of research that I realized I needed some nutrients in my tank to provide enough energy for the bacteria to reproduce. The problem is my case was lack of enough phosphorus and magnesium in water. So, check your local water for traces of these elements if your fishless cycle has stuck and then add pinch of ground fish food into your tank in case of lacking of them in your fish tank water. Check your fish food to make sure it has these two before doing so. If you need more information, search for fishless cycle phosphate block and you'll find more information on this.

United Kingdom on Mar 12, 2022

Brian Smith: Stuff works good

Canada on Aug 21, 2021

Jordan Rhodes: I was skeptical at first, having cycled tanks previously taking a minimum of a month i didnt think that this bacteria would do as advertised. However, i recently set up a small 60l aquarium, followed the instructions and less than 24 hours later my ammonia is almost nil. Nitrites still need to drop but usually takes at least 2 weeks for ammonia to drop to nil so already definately worth the money.

United Kingdom on Jan 03, 2021

Amazon Customer: Great product, fast delivery

Canada on Oct 02, 2018

Santa Clara Nurse: Started 3 29 gallon tanks for a research project in biology.

Tank 1: Plain Water with ammonium chloride as ammonia source.
Tank 2: APIs Quick Start with ammonium chloride as ammonia source.
Tank 3: DrTim's One & Only with ammonium chloride as ammonia source.

Ammonium Chloride was purchased from Amazon (DrTim's Ammonium Chloride Solution for Fish-less Cycling). Each tank was prepared with a standard dechlorinator (It is important not to use any product that binds or "locks" ammonia, as it is required for the cycle to progress). Water was allowed to rest for 24 hours, filters and heaters running, temps set to 80.5F, 30 LBS of standard gravel in each tank. Each tank received an initial dose of ammonium chloride of 29 drops (one drop per gallon), which raised ammonia to ~2.0 PPM.

Caveats: If you use an API test kit, you will likely see about half the expected ammonia concentration. The test is not accurate at low levels, and does not measure the type of source used as well as other master kits. Be concise with the dosing and you are fine. You can use a Nutrifin NH3/NH4 test or other high grade ammonia detection kit that...

United States on Nov 01, 2012

RedChloe: I have left my original (1 star) review below, but I must revise my opinion. I used this product to cycle a tank after moving house and I am delighted. Perfectly cycled in under a week. This was in February. My previous experience with Dr. Tims was in a VERY hot summer and involved ground shipping. In the back of a brown truck it probably hit 130F or above.
This liquid contains living organisms harmed by extreme temperatures and must be handled like livestock.
Previous review: "It is possible that organisms introduced by this product helped my fish tank cycle properly, but I do not think so. I followed the instructions carefully, though a fishless cycle was not an option.
Basically it made the water cloudy, not unexpected, but the chemistry of my tank did not improve and for several days got worse. With ammonia readings climbing steadily but nitrite and nitrate remaining near zero. It then took about three weeks of daily extreme (40 - 60%) water changes to get my tank cycled while still keeping it within safe parameters after adding this product. Pretty sure that's what I would have gotten if I added a two ounce bottle of distilled...

United States on Sep 21, 2012