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Doctors' Information Center
WATER QUALITY & CONDITIONERS
FAQS: YOUR MOST IMPORTANT QUESTIONS Close expanded article descriptions
Salt Mix FAQs
Creating a healthy marine biotope can be frustating for beginners. Here are a few commonly asked questions and answers about salt mixes and saltwater.

PRODUCT COMPARISONS Open expanded article descriptions
Common Aquarium Problems Troubleshooting Guide
Dr Tim's Aquatics Quick Reference Guide

GENERAL INFORMATION Close expanded article descriptions
A New Look at Cycling
Dr. Tim's One and Only is available for freshwater and for saltwater aquariums and is designed for one job - to quickly establish a biofilter in your newly set up aquarium so that your fish do not experience New Tank Syndrome (NTS).
Ammonia & the Nitrogen Cycle: Important Steps for Your Aquarium
This basic article takes you through the nitrogen cycle step by step so you can better understand how this vital, natural process works.
Aquarium Aeration, the importance of
If you wait until the fish in your aquarium are gasping for oxygen at the surface, or hanging out near filter returns, it may be too late to avoid serious stress, or worse. You need to make sure there is a plentiful supply of oxygen at all times.
Bacterial Additives, the benefits of
Bacterial additives establish a healthy population of beneficial bacteria that efficiently break down ammonia into nitrite and then to nitrate. The use of bacterial additives is most commonly associated with the initial set up of an aquarium.
Common Water Quality Issues & Remedies
Understanding how water quality affects fish health is the key to long term aquarium success. Learn more here.
Conditioners for Proper Water Quality
Depending on your source water, as well as the type of fish you choose, you may need special water conditioners, pH adjusters/buffers, or trace element additives to achieve proper water conditions.
Easy Tips for Improved Water Quality
Excess nutrients, high ammonia levels, and low dissolved oxygen content are common examples of potentially dangerous aquarium conditions. Learn More.
Emergency Troubleshooting Guide
Learn how to recognize and remedy out-of-the-ordinary events to ensure a properly functioning system with healthy inhabitants.
Enjoy Healthy Saltwater Aquariums with Quality Synthetic Sea Salts
The quality of synthetic sea salt can play a big role in improving saltwater aquarium water quality. Learn how routine water changes with fresh saltwater prepared with Instant Ocean and Reef Crystals can offset the effects of declining water quality.
Importance of Water Changes in Aquariums
Maintaining clean, healthy water through routine water changes is the key to the wellbeing of aquarium inhabitants. Perform regular water change in freshwater and saltwater aquariums for a clean and healthy aquatic environment.
Keep Protein Skimmers Operating in Peak Condition
Skipping on skimmer maintenance can have an adverse effect on your aquarium. Take the following steps this summer to ensure your protein skimmer is working properly.
Maintaining Proper Water Quality in the Home Aquarium
Making sure your tank has all of the appropriate water parameters and environmental requirements the particular species needs is one way to reduce tank mortality.
Nano Reef Aquarium Emergency
A first hand account of a nano reef aquarium crash and the steps taken to remedy the nano reef aquarium crash.
Nitrate Removal Options for Complete Nitrification
High nitrate levels can cause stress to fish and invertebrates. In addition, they can quickly alter aquarium water chemistry and are often the source of serious algae blooms. Therefore, nitrate removal is vital to your aquarium's overall health.
Nitrogen Cycle
Maintaining a healthy aquarium starts with understanding the nitrogen cycle process and its effects on the overall health of your aquatic inhabitants. Learn more here.
Nitrogen Cycle (Part 1): What is it?
Part 1 of this article series explains the Nitrogen Cycle and its importance in aquarium keeping.
Nitrogen Cycle (Part 2): New Aquariums
Part 2 of this article series discusses the nitrogen cycle and its effects on newly setup aquariums.
Nitrogen Cycle (Part 3): Established Aquariums
Part 3 of this article series discusses the nitrogen cycle, its effects on an established aquarium, and situations that can cause an established aquarium to "cycle".
Nitrogen Cycle (Part 4): Monitoring Toxins and Restoring Balance
Part 4 of this article series discusses what do do when elevated levels of ammonia, nitrate, and nitrite are detected in the aquarium. Warning signs that tell when the water parameters are out of sync are also discussed.
Old Tank Syndrome
The term Old Tank Syndrome is commonly used to refer to a series of related water quality issues, generally indicated by high nitrate levels. In closed aquarium systems, impurities such as nitrate increase over time and cannot be efficiently removed.
Parameters Important to Aquarium Water Quality
A healthy aquarium is not difficult to maintain if you routinely test for important aquarium water parameters. Read on for information about testing as well as a chart with acceptable levels.
pH in Freshwater Aquariums
Many freshwater community fish thrive in a broad pH range between slightly acidic (6.5) to slightly alkalic (7.5). To provide their ideal water conditions, you must learn how to make adjustments to your aquarium water using pH conditioners.
Prevent Ammonia Emergencies
Learn what you can do to prevent unexpected ammonia emergencies.
Restore balance with Bacterial Additives
Bacterial additives are essential for all aquarium hobbyists to have on hand to maintain healthy aquarium water quality. Discover the many beneficial uses of bacterial additives and the effects of insufficient biological filtration.
Tap Water: Testing & Treating
Don't take the quality of your tap water for granted. If you draw your water from a well, nature may not be providing you the perfect balance. If you are using tap water from your municipal department, it likely includes minerals and additives.
Testing Water Quality, the importance of
As a fish hobbyist, it is imperative that you have an understanding of the water parameters that affect fish health, as well as the importance of water testing. Water testing cues you to what's happening in the system at any given time.
The Benefits of PhosBan Reactors
The presence of algae is a normal part of keeping an aquarium. However, aggressive algae growth is a good indication that your system is out of balance. Use chemical filter media to remove excess nutrients that help algae thrive.
The Importance of Oxygen
Despite its importance, many aquarists take oxygen for granted. Understand the relationship between oxygen and aquaria to avoid many aquarium health and water quality problems.
The Unseen Dangers of Poor Water Quality
Dirty aquarium? High toxin levels? Unfortunately, poor water parameters cause a variety of dangerous aquarium conditions
Water Changes, the importance of
When performing a water change in your aquarium, always test the new water for impurities before adding it to your tank. If impurities are found (and most tap water has them) use a suitable water conditioner to correct the imbalance. Read more here.
Water Conditioners: Nite-Out II Nitrifying Bacteria
Nite-Out II Nitrifying Bacteria contains a highly specialized blend of nitrifying bacteria. Select cultures of Nitrosomonas, Nitrobacter, and Nitrospira in Nite-Out II establish, promote, and maintain nitrification in aquarium water. Read how.
Water Conditioners: Remedy Common Aquarium Problems
Thanks to today's water conditioners you have many tools to help maintain proper water quality. Water conditioners have simplified maintenance considerably over the years. Learn more here.
Water Quality Dangers
Maintaining good water quality through regular water changes is the single most important action you can take to ensure successful fish keeping. However, don't take the quality of your tap water for granted.

 

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Nitrate Removal Options for Complete Nitrification
pH in Freshwater Aquariums
Ammonia & the Nitrogen Cycle: Important Steps for Your Aquarium

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Restore balance with Bacterial Additives
Dr Tim's Aquatics Quick Reference Guide

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