Beginner Guides

Water Chemistry

25 articles in this category

Ammonia Explained: The Invisible Fish Killer

Understand ammonia

Can You Use Bottled Water? Myths and Realities

Understand the myths and realities of using bottled water in freshwater aquariums.

Choosing a Marine Salt Mix: What Beginners Should Know

Understand what makes a good marine salt mix and how to choose one for your reef.

Dechlorinator: The One Product You Must Never Skip

Remember that dechlorinator is the one product you must never skip or forget.

GH and KH Explained: Hardness That Actually Matters

Master GH and KH hardness concepts that actually matter for fish and plant health.

How to Read Your Water Test Results Without Confusion

Understand your water test results without confusion using this simple interpretation guide.

Hydrometer vs. Refractometer: Measuring Salinity Right

Compare hydrometers and refractometers to understand which salinity measuring tool is best.

Mixing Saltwater for the First Time: Step by Step

Follow this step-by-step guide for mixing saltwater correctly on your first attempt.

Nitrate: The End Product You Manage, Not Fear

Master nitrate management as the end product of the nitrogen cycle to maintain.

Nitrite: The Second Wave of Danger

Learn why nitrite is the second wave of danger during tank cycling and how to control it.

pH for Beginners: What the Number Actually Means

Understand what pH actually measures and how it affects fish health and tank stability.

Preparing Water Change Water the Night Before

Prepare water change water the night before for temperature matching and stability.

RO Water Explained: Why Reef Keepers Swear By It

Learn why reef keepers trust RO water and how it improves your saltwater setup.

Safe Parameter Ranges: The Cheat Sheet for Freshwater

Know the safe freshwater parameter ranges with this quick reference cheat sheet.

Safe Parameter Ranges: The Cheat Sheet for Saltwater

Know the safe saltwater parameter ranges with this quick reference cheat sheet.

Salinity 101: What ppt and Specific Gravity Mean

Understand salinity concepts including ppt and specific gravity measurements for reefs.

Target Salinity: What Numbers to Aim For

Aim for target salinity ranges that keep your reef fish and corals healthy and safe.

Temperature and Fish Metabolism: The Basics

Understand how temperature affects fish metabolism and why stable temps are crucial.

The Saltwater Mixing Bucket: Your Most Important Tool

Create saltwater mixing buckets as your most important tool for reef success.

Water Chemistry Glossary: Every Term a Beginner Needs

Learn every term a beginner needs with this complete water chemistry glossary.

Well Water Surprises: What to Test Before You Start

Test well water before starting an aquarium due to unique mineral and chemical content.

When to Retest: Reading Patterns, Not Panic Numbers

Retest water parameters by reading patterns and trends instead of panicking over numbers.

Why Tap Water Kills Fish (Chlorine and Chloramine)

Learn why tap water kills fish due to chlorine and chloramine content before use.

Why You Should Log Water Parameters (Even on Paper)

Understand why logging water parameters even on paper builds awareness and accountability.

Your First Test Kit: Strips vs. Liquid Drops

Choose between test strips and liquid drops for your first water test kit.