Aquarium Q&A library

222 answers to the most-searched aquarium questions. Reviewed by the Fast Aquatics husbandry team and cross-referenced against the species library.

What temperature should my aquarium be?Why is my aquarium cloudy after a water change?Are clownfish easy to care for?Are snails good for aquariums?What's the best aquarium filter type?What's the best aquarium heater?What are the best aquarium plants for beginners?What's the best aquarium substrate?What are the best beginner corals?What's the best coral for a nano reef?What's the best fish for a 5-gallon tank?What are the best fish for an outdoor pond?What freshwater fish are best for a 10-gallon tank?What is the best freshwater shrimp?What is the best LED for a nano reef tank?What's the best LED light for an aquarium?What is the best place to buy aquarium fish online?What saltwater fish work in a 30-gallon tank?What are the best saltwater fish for beginners?What's the best tang for a 100-gallon reef?What's the best aquarium tank size for a beginner?Can clownfish live without an anemone?Can I buy piranha online in the US?Can two clownfish live together?What is the difference between Caridina and Neocaridina shrimp?What is the cheapest online marketplace for fish stores to sell on?What's the cheapest way to cycle an aquarium?How do you treat columnaris in fish?What's the difference between a protein skimmer and a filter?Do aquarium fish feel pain?Do aquarium fish need friends?Do aquarium plants need CO2 injection?Does my aquarium need an air pump or bubbler?Do fish recognize their owner?Do aquarium fish sleep?Do I need a light for my aquarium?Do I need a protein skimmer for a saltwater tank?What are the easiest corals to grow?What is the easiest saltwater fish to keep?What is Euphyllia coral and how do you care for it?How do I set up a fish quarantine tank?Where are the best fish stores in Columbus, Ohio?How deep should my aquarium substrate be?How do I acclimate new fish to my aquarium?How do I cycle a saltwater tank?How do I frag coral?How do I know if my coral is dying?How do I quarantine new fish?How do I treat ich in my aquarium?How fast do aquarium fish grow?How long does it take to cycle a new aquarium?How long do betta fish live?How long can aquarium fish go without food?How long do Amano Shrimps live?How long do Freshwater Angelfishs live?How long do Banggai Cardinalfishs live?How long do Betta (Siamese Fighting Fish)s live?How long do Blue Tang (Hippo Tang)s live?How long do Bubble Tip Anemones live?How long do Cardinal Tetras live?How long do Cherry Shrimps live?How long do Cleaner Shrimps live?How long do clown fish live for?How long do clownfish live?How long do corydoras catfish live?How long do Discuss live?How long do Flame Angelfishs live?How long do Frogspawn Corals live?How long do German Blue Rams live?How long do Goldfishs live?How long do Guppys live?How long do Hammer Corals live?How long do Kois live?How long do Mandarin Dragonets live?How long do Neon Tetras live?How long do Ocellaris Clownfishs live?How long do Oscar Cichlids live?How long do Percula Clownfishs live?How long do Royal Grammas live?How long do Torch Corals live?How long do Yellow Tangs live?How long do Zoanthidss live?How long does it take to cycle a new aquarium?How long does live fish shipping take?Can I keep multiple bettas together?How many corydoras should I keep together?How many fish can I put in a 10 gallon tank?How many fish can I put in a 20 gallon tank?How many fish per gallon should I have?How much does an aquarium cost per month to run?How much water should I change in my aquarium?How much do corals cost?How much do aquarium fish cost?How much do clownfish cost?How much do designer clownfish cost?How much does a fish tank cost to run per month?How much does a saltwater tank cost to set up?How much does a Amano Shrimp cost?How much does a Freshwater Angelfish cost?How much does a Banggai Cardinalfish cost?How much does a Betta (Siamese Fighting Fish) cost?How much does a Blue Tang (Hippo Tang) cost?How much does a Bubble Tip Anemone cost?How much does a Cardinal Tetra cost?How much does a Cherry Shrimp cost?How much does a Cleaner Shrimp cost?How much does a clownfish cost?How much does a Corydoras Catfish cost?How much does a Discus cost?How much does a Flame Angelfish cost?How much does a Frogspawn Coral cost?How much does a German Blue Ram cost?How much does a Goldfish cost?How much does a Guppy cost?How much does a Hammer Coral cost?How much does it cost to ship live fish?How much does a Koi cost?How much does a Mandarin Dragonet cost?How much does a Neon Tetra cost?How much does an ocellaris clownfish cost?How much does a Oscar Cichlid cost?How much does a Percula Clownfish cost?How much does a Royal Gramma cost?How much does a Torch Coral cost?How much does a Yellow Tang cost?How much does a Zoanthids cost?How much PAR does coral need?How much time does an aquarium take to maintain?How often should I clean my aquarium filter?How often should I do water changes?How often should I do water changes?How do I acclimate saltwater fish?How do I breed clownfish?How do I stop aggressive fish in my aquarium?How do I frag coral?How do I lower aquarium pH?How do I lower nitrates in my aquarium?How do I prevent fish disease in my aquarium?How do I quarantine new fish?Is the Amano Shrimp easy to keep?Is the Freshwater Angelfish easy to keep?Is the Banggai Cardinalfish reef-safe?Is the Betta (Siamese Fighting Fish) easy to keep?Is the Blue Tang (Hippo Tang) reef-safe?Is the Bubble Tip Anemone reef-safe?Is the Cardinal Tetra easy to keep?Is the Cherry Shrimp easy to keep?Is the Cleaner Shrimp reef-safe?Is the Corydoras Catfish easy to keep?Is the Discus easy to keep?Is the Flame Angelfish reef-safe?Is the Frogspawn Coral reef-safe?Is the German Blue Ram easy to keep?Is the Goldfish easy to keep?Is the Guppy easy to keep?Is the Hammer Coral reef-safe?Is the Koi easy to keep?Is the Mandarin Dragonet reef-safe?Is the Neon Tetra easy to keep?Is the Ocellaris Clownfish reef-safe?Is the Oscar Cichlid easy to keep?Is the Percula Clownfish reef-safe?Is the Royal Gramma reef-safe?Is tap water safe for aquariums?Is the Torch Coral reef-safe?Is the Yellow Tang reef-safe?Is the Zoanthids reef-safe?What are licorice gouramis and how do you care for them?Should I use live rock or dry rock?How do you care for a Malu (Macrodactyla doreensis) anemone?How do you care for Monosolenium tenerum (Pellia)?What is the lifespan of a pearl gourami?How do you care for a six-line wrasse?What is the smallest reef tank you can have?Where is it legal to own a snakehead in the US?What eats aquarium snails?What aquarium fish are illegal in California?What aquarium fish are illegal in Florida?What is aquarium cycling and why does it matter?What's the best aquarium water test kit?What is the difference between SPS and LPS coral?When can I add fish to a new aquarium?Where can I buy Amano Shrimp?Where can I buy Freshwater Angelfish?Where can I buy Banggai Cardinalfish?Where can I buy Betta (Siamese Fighting Fish)?Where can I buy Blue Tang (Hippo Tang)?Where can I buy Bubble Tip Anemone?Where can I buy Cardinal Tetra?Where can I buy Cherry Shrimp?Where can I buy Cleaner Shrimp?Where can I buy Corydoras Catfish?Where can I buy Discus?Where can I buy Flame Angelfish?Where can I buy Frogspawn Coral?Where can I buy German Blue Ram?Where can I buy Goldfish?Where can I buy Guppy?Where can I buy Hammer Coral?Where can I buy Koi?Where can I buy Mandarin Dragonet?Where can I buy Neon Tetra?Where can I buy Ocellaris Clownfish?Where can I buy Oscar Cichlid?Where can I buy Percula Clownfish?Where can I buy Royal Gramma?Where can I buy Torch Coral?Where can I buy Yellow Tang?Where can I buy Zoanthids?Why does my aquarium have algae?Why is my aquarium pH high?Why is my aquarium water green?Why is my aquarium water yellow?Why are my aquarium plants dying?Why are there bubbles in my fish tank?Why do my fish keep dying?Why is my fish lying on the substrate?Why is my fish scratching against rocks?Why are my fish staying at the top of the tank?Why is my fish tank water cloudy?Why does my fish tank smell bad?Why is my betta not eating?