497+ aquarium guides
Fishy Friends
Exploring the Beauty Below the Surface — aquarium guides for every keeper
This Fishy Friends hub on Fishy Friends gathers practical aquarium guides guidance for keepers who want clear answers before they change water, livestock, or gear.
Use these articles to match species to tank size, plan filtration and feeding, and troubleshoot water chemistry without guessing. Each guide is written for home aquariums and links to related reading when you need more depth on aquarium guides.
Start with the basics — stable parameters, quarantine habits, and a feeding schedule that matches the livestock — then browse the profiles and how-tos below. When you are ready to branch out, jump into neighbouring topics so your aquarium guides plan stays consistent across the whole tank.
Whether you are stocking a first community tank or refining an established scape, bookmark this page and return as questions come up. Healthy aquariums are built from small, repeatable routines more than one-time upgrades, and aquarium guides success follows the same pattern.
Explore next: aquarium guides, freshwater fish, aquarium plants, privacy policy.
Fishy Friends publishes species care sheets, plant and invertebrate notes, aquascaping ideas, and water-care explainers so aquarium guides advice stays easy to find. Read one guide thoroughly, apply it slowly, and use the linked hubs above when you want a second angle on the same problem.
Before you buy livestock or rethink filtration, skim two or three aquarium guides articles here and write down target numbers for temperature, hardness, and feeding. That short checklist prevents the most common resets and keeps your aquarium closer to the calm, healthy display you are aiming for.
Come back after water changes or new additions: compare what you see in the tank with the aquarium guides checklists below, then follow one recommended next step instead of changing everything at once. Steady improvements compound, and Fishy Friends is built to support that pace.
More from the current
A fresh mix of species profiles and keeping guides — reshuffled each visit.
Where do you want to dive in?
Jump into freshwater fish, saltwater, plants, equipment, or coldwater fish species hubs.
Dive into a topic
From aquascapes to water chemistry — practical aquarium guides you can browse by topic.
Built for curious keepers
This Fishy Friends hub on Fishy Friends gathers practical aquarium guides guidance for keepers who want clear answers before they change water, livestock, or gear.Use these articles to match species to tank size, plan filtration and feeding, and troubleshoot water chemistry without guessing. Each guide is written for home aquariums and links to related reading when you need more depth on aquarium guides.Start with the basics — stable parameters, quarantine habits, and a feeding schedule that matches the livestock — then browse the profiles and how-tos below. When you are ready to branch out, jump into neighbouring topics so your aquarium guides plan stays consistent across the whole tank.Whether you are stocking a first community tank or refining an established scape, bookmark this page and return as questions come up. Healthy aquariums are built from small, repeatable routines more than one-time upgrades, and aquarium guides success follows the same pattern.Explore next: aquarium guides, freshwater fish, aquarium plants, privacy policy.Fishy Friends publishes species care sheets, plant and invertebrate notes, aquascaping ideas, and water-care explainers so aquarium guides advice stays easy to find. Read one guide thoroughly, apply it slowly, and use the linked hubs above when you want a second angle on the same problem.Before you buy livestock or rethink filtration, skim two or three aquarium guides articles here and write down target numbers for temperature, hardness, and feeding. That short checklist prevents the most common resets and keeps your aquarium closer to the calm, healthy display you are aiming for.Come back after water changes or new additions: compare what you see in the tank with the aquarium guides checklists below, then follow one recommended next step instead of changing everything at once. Steady improvements compound, and Fishy Friends is built to support that pace.
Browse every guide- 497Published guides
- 11Topic lanes
- FW + SWFresh & salt coverage
Latest from the depths
Fresh species profiles and practical keeping guides.
AquascapingHow to Create Hiding Places Without Crowding a TankArrange caves, wood and plants to improve security while preserving swimming room and maintenance access.
Water ChemistryNitrite in Aquariums: Why It Is DangerousA beginner-friendly guide to nitrite toxicity, common causes and the steps that support recovery.
Water ChemistryAquarium Ammonia Spikes: Causes and Emergency StepsUnderstand why ammonia rises and what to do immediately to protect fish while the biofilter recovers.
Water ChemistryHow to Lower Aquarium Nitrates Without Shocking FishReduce nitrate steadily through maintenance, stocking control and plant growth rather than sudden chemical fixes.
HealthHow to Quarantine New Aquarium Fish ProperlyA practical quarantine routine that reduces the risk of introducing parasites or disease to an established aquarium.
Equipment & MaintenanceHow to Seed a New Aquarium Filter SafelyLearn how mature filter media can help establish biological filtration without creating unsafe shortcuts.





