All Guides

Care Guides

Step-by-step guides covering habitat setup, feeding, health, and more — 50 guides organized by category.

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Betta Fish

Fin Rot Medication for Bettas: What Actually Works

A practical guide to treating betta fin rot — causes, symptoms, the best medications like Kanaplex and Fin & Body Cure, and how to prevent it from coming back.

Betta Fish

Betta Fin Rot: Causes, Symptoms, and How to Treat It

Fin rot is a common bacterial infection in bettas caused by poor water quality and stress. Here's how to spot it early and treat it before it spreads.

Betta Fish

Betta Fin Rot: Causes, Treatment & Recovery Timeline

A step-by-step guide to spotting betta fin rot, treating it with water changes and medication, and knowing when your betta is truly healing.

Betta Fish

Betta Fish Water Parameters: pH, Temperature & What Actually Matters

Learn ideal betta fish water parameters for 2026: pH 6.5–7.5, temp 76–82°F & zero ammonia. Expert testing guide from experienced keepers. Start now.

Betta Fish

Betta Fish Tank Mates: Which Fish Actually Work (and Which to Avoid)

Discover the best betta fish tank mates in our 2026 care guide. Learn which fish, shrimp, and snails live peacefully with bettas. Start building today!

Betta Fish

Betta Fish Lifespan: How Long Do They Live & How to Help Them Thrive

Learn how long betta fish really live and how to help yours reach 5+ years. Honest care tips, common mistakes, and expert advice inside.

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Guppies

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Guppies

Guppy Tank Setup Guide: Everything You Need to Know

This article contains affiliate links. We may earn a small commission at no extra cost to you. Learn more Guppies are one of the best starter fish you can keep.

Guppies

How to Breed Guppies: Complete Fry Care & Feeding Guide

A practical guide to breeding guppies at home, covering pregnancy signs, water conditions, fry feeding schedules, and raising babies in a planted tank.

Guppies

Guppy Feeding Guide: What, How Much, and How Often to Feed

Guppy feeding guide for 2026: what to feed, how often, and how much. Covers fry food, vacation tips, and top food picks for vibrant, healthy guppies.

Guppies

Guppy Diseases and Health: Spot, Treat & Prevent

Is your guppy sick? Learn to spot, treat, and prevent guppy diseases and health issues like ich, fin rot, velvet, and more. Your complete guide starts here.

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Goldfish

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Goldfish

Goldfish Lifespan: How Long Do Goldfish Live? (Care Guide)

This article contains affiliate links. We may earn a small commission at no extra cost to you. Learn more TL;DR: Goldfish can live 10–20 years — or longer —…

Goldfish

How to Set Up a Goldfish Tank: Step-by-Step Guide for Beginners (2026)

Set up a goldfish tank the right way in 2026. Learn the correct tank size, filtration, and cycling steps for healthy, long-lived goldfish. Start here.

Goldfish

Goldfish Feeding Guide: How Much, How Often, and What to Feed

Complete goldfish feeding guide: how much, how often, and the best foods. Stop overfeeding — it's the top cause of goldfish health problems. Start here.

Goldfish

Goldfish Diseases and Health: Spot, Treat & Prevent

Goldfish diseases like ich, fin rot, and dropsy can kill fast. Learn to spot symptoms early, choose the right treatment, and prevent future outbreaks.

Goldfish

Goldfish Care Guide: Tank Size, Water Quality & Feeding

Complete goldfish care guide: tank size, water quality, feeding & disease prevention tips. Help your goldfish live 15+ healthy years. Start your setup right.

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Neon Tetra

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Neon Tetra

Neon Tetra Tank Mates Care Guide: Choosing the Perfect Companions

Learn how to choose the perfect tank mates for your neon tetras and create a thriving community tank. Get expert advice on compatible species, tank size, and water conditions.

Neon Tetra

Neon Tetra Feeding Guide: Diet, Frequency & Best Practices

Looking for a neon tetra feeding guide? Discover the best diet, feeding frequency, and tips to keep your neon tetras healthy and vibrant. Updated April 2026!

Neon Tetra

Neon Tetra Tank Setup Guide: Tank Size, Water Parameters & Decor

Set up the perfect neon tetra tank with our step-by-step guide. Learn ideal tank size, water parameters, plants & compatible tank mates. Get started today!

Neon Tetra

Neon Tetra Diseases and Health: Issues and Treatments

Learn how to spot, treat, and prevent the most common neon tetra diseases and health issues with this comprehensive, science-based guide. Keep your fish thriving!

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Cichlids

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Cichlids

Cichlid Tank Setup Guide: How to Build a Thriving Tank

This article contains affiliate links. We may earn a small commission at no extra cost to you. Learn more Setting up a cichlid tank is one of the most…

Cichlids

Cichlid Diseases and Health: Signs, Causes & Treatment

This article contains affiliate links. We may earn a small commission at no extra cost to you. Learn more Cichlids are tough, colorful fish — but they're not…

Cichlids

Cichlid Tank Mates: Which Fish Actually Survive (and Which Don't)

Find the best cichlid tank mates for your African or South American species. Avoid costly mistakes with our full compatibility guide — shop now.

Cichlids

Cichlid Feeding Guide: What to Feed, How Much, and How Often

Learn exactly what to feed cichlids, how often, and how much. Species-specific advice for African and South American cichlids. Start feeding right today!

Cichlids

Cichlid Care Guide: Expert Tips for a Thriving Freshwater Aquarium

Learn how to care for cichlids with our expert guide, covering tank setup, diet, and health. Get started with your freshwater aquarium today!

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Corydoras Catfish

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Corydoras Catfish

Corydoras Catfish Feeding Guide: How Often & What to Feed

This article contains affiliate links. We may earn a small commission at no extra cost to you. Learn more Corydoras catfish are peaceful, hardy bottom dwellers…

Corydoras Catfish

Corydoras Catfish Tank Setup Guide: Size, Substrate, and Filtration

Master the complete corydoras catfish tank setup: tank size, substrate, filtration, and step-by-step cycling. Start building your corydoras tank today!

Corydoras Catfish

Corydoras Diseases and Health: Spot, Treat & Prevent

Corydoras catfish diseases explained: ich, barbel erosion, fungal infections & parasites. Learn to spot, treat, and prevent problems. Practical guide.

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Angelfish

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Angelfish

Angelfish Tank Setup Guide: Tank Size, Water, Gear, and Stocking

Build a healthy angelfish home with this angelfish tank setup guide. Get exact tank sizes, water targets, gear picks, and setup steps for success today.

Angelfish

Angelfish Feeding Guide: What, How Much, and How Often to Feed

Complete angelfish feeding guide: discover what to feed, how often to feed, and the top mistakes to avoid for healthy, colorful fish. Updated May 2026.

Angelfish

Angelfish Diseases and Health: Spot, Treat & Prevent

Spot, treat, and prevent angelfish diseases like ich, fin rot, and dropsy. Expert 2026 guide with treatment plans and prevention tips for every keeper.

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Pleco

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Pleco

Pleco Feeding Guide: What, How Often & How Much to Feed

This article contains affiliate links. We may earn a small commission at no extra cost to you. Learn more Feeding plecos incorrectly is one of the most common…

Pleco

Pleco Tank Setup Guide: Size, Decor, and Care Tips (2026)

Learn how to set up the perfect pleco tank with this comprehensive guide. Discover tank size, decor, and care tips to ensure your pleco thrives.

Pleco

Pleco Diseases and Health: Spot, Treat & Prevent

Learn how to spot, treat, and prevent the most common pleco diseases and health problems. Expert tips for keeping your pleco healthy in 2026.

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Freshwater Fish

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Freshwater Fish

Aquarium Velvet Disease: Symptoms, Treatment & Prevention

Learn how to identify, treat, and prevent aquarium velvet disease in your freshwater tank. Catch it early — your fish's life depends on it.

Freshwater Fish

White Spot Disease in Fish: What It Is and How to Treat It

White spot disease (ich) spreads fast and kills fish. Learn to identify, treat, and prevent it — complete guide for freshwater fish keepers, updated 2026.

Freshwater Fish

Common Freshwater Fish Diseases: How to Spot, Treat, and Prevent Them

Spot, treat, and prevent the most common freshwater fish diseases. Step-by-step guidance for ich, fin rot, velvet, and more. Start healing your tank today.

Freshwater Fish

Nitrogen Cycle Aquarium Guide: Master Your Tank

Master the nitrogen cycle aquarium guide every fish keeper needs. Learn the 3 stages, how long cycling takes, and how to speed it up safely.

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Planted Tanks

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Planted Tanks

Fertilizer Dosing Schedule for Planted Aquariums: A Beginner's Guide

Fertilizing a planted aquarium is not as simple as adding a capful of liquid once a week. The right dosing method depends on plant density, light level, and whether CO2 is injected. This guide compares EI dosing, lean dosing, and all-in-one liquids — including Seachem Flourish versus Tropica — and gives beginners a concrete weekly schedule they can follow from day one.

Planted Tanks

How to Inject CO2 in a Planted Aquarium: Complete Beginner Guide

CO2 injection is the single biggest upgrade for a planted tank — but the options, equipment, and timing can overwhelm beginners. This guide breaks down pressurized CO2 vs DIY vs liquid carbon, explains exactly how to set up your first system, and shows you how to dial in the right dosage without harming your fish.

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Aquarium Maintenance

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Aquarium Maintenance

How to Get Rid of Snails in Your Aquarium

Tired of snails taking over your tank? Discover how to get rid of snails in your aquarium with 6 proven methods — safe, natural, and fish-friendly.

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General

Best Freshwater Algae Eaters: Fish, Shrimp & Snails Guide

A breakdown of which fish, shrimp, and snails eat which type of algae, plus tank size guides and common algae-eater mistakes to avoid.

General

Tail Rot Disease in Fish: Symptoms, Causes & Treatment

Tail rot is a fast-moving bacterial infection of a fish's caudal fin. Learn the early signs, causes, and a step-by-step plan to treat and prevent it.

General

Siamese Fighting Fish Fin Rot: Causes, Symptoms, Treatment

This article contains affiliate links. We may earn a small commission at no extra cost to you. Learn more Siamese fighting fish fin rot is one of the most…

General

Fish Swim Bladder Disease: Causes, Symptoms & Treatment

This article contains affiliate links. We may earn a small commission at no extra cost to you. Learn more Your fish is floating upside down, sinking to the…

General

Fin Rot in Betta Fish: Symptoms, Causes & Treatment

A complete guide to spotting, treating, and preventing fin rot in betta fish, covering causes, symptoms, treatment stages, medications, and prevention.

General

Brown Algae in Fish Tanks: Causes, Fixes & Prevention

Brown algae isn't true algae—it's diatoms triggered by silicates and new-tank cycling. Here's how to identify, remove, and prevent it for good.