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Aquarium Guides

Choose the situation in front of you, then get a clear next check. These are practical starting points—not generic articles or one-size-fits-all prescriptions.

Starting freshSet up your first tankFollow the right order from water and equipment to a stable cycle.Something feels offStart with safe first checksKnow what to test and observe before reaching for a treatment.Planning livestockBuild a community planUse actual tank constraints instead of a fish-count rule of thumb.

Start Here

Start Here: Your First Aquarium

A calm, ordered path to your first successful aquarium: what to buy, how to cycle the tank before any fish arrive, which water numbers to watch, how to stock and feed sensibly, and the weekly routine that keeps it all stable.

New Tank Plan: First 90 Days

A week-by-week launch plan for cycling, first stocking, and reaching stable operations by day 90.

Aquarium Basics: You Keep Water, Not Fish

The core mindset that makes aquariums succeed: manage water stability first, fish health follows.

Emergency

Emergency Help: First 60 Minutes

Calm, step-by-step triage for gasping fish, ammonia spikes, filter failure, and power outages.

Chemistry & Testing

Water Tests Made Easy: What the Numbers Mean

Learn how to interpret ammonia, nitrite, nitrate, pH, KH, GH, and temperature as one system.

Cycle Your Tank Safely (No Fish Needed)

Build beneficial bacteria before stocking fish using a controlled fishless cycle workflow.

Water Chemistry Basics (pH, KH, GH)

A practical guide to pH buffering, hardness, and stable water-change chemistry.

Equipment & Setup

Choose the Right Filter and Flow

Understand filter types, realistic turnover, and how to protect your bio-media.

Planted Tank Lighting Without Guesswork

Use PAR-based lighting targets so plants grow and algae pressure stays manageable.

CO2 Injection: Beginner-to-Pro Setup

Learn safe CO2 fundamentals and how to balance light, carbon, and algae risk.

Plant Care

Plant Deficiency Atlas: Visual Diagnosis

Diagnose yellowing, pinholes, and stunting by symptom pattern and leaf age.

Planted Tank Success Guide

Master substrate choice, plant placement, and growth management for healthy aquascapes.

Fish & Stocking

Stocking Guide: Choose Compatible Fish

Build peaceful communities with the right school sizes, zones, and bioload balance.

Acclimation Guide: Move Fish Safely

Use drip acclimation and transfer best practices to reduce stress and shock.

Maintenance

Feeding Without Polluting Your Tank

Prevent overfeeding, reduce waste buildup, and keep fish nutrition consistent.

Algae Control: Root Cause Playbook

Identify algae types and fix the underlying imbalance instead of chasing symptoms.

Health

Fish Health & Quarantine Guide

Use quarantine, symptom recognition, and treatment planning to protect your whole tank.

Operations

AquaLens App Handbook

The complete AquaLens feature reference — every tab, tool, and Lab explained, covering both freshwater and saltwater setups, from first-time setup through predictive alerts, health diagnosis, and reef mapping.

Better Logs, Better AI Insights

Capture cleaner data so trend charts, alerts, and recommendations become more reliable.