FreshwaterNest

Setup Guides

Most fish deaths trace back to the first two weeks. These guides walk through tank sizing, cycling, stocking and the routine that keeps water stable long after the honeymoon phase.

Aquarium Substrate Guide: Gravel, Sand or Soil?

Aquarium Substrate Guide: Gravel, Sand or Soil?

Substrate affects filtration, plant growth and fish health. Gravel suits most tanks, sand is best for corydoras and bett

Aquascaping for Beginners: Build a Tank That Looks Good and Works

Aquascaping for Beginners: Build a Tank That Looks Good and Works

Aquascaping is the art of arranging hardscape, plants and substrate so a tank looks natural and stays healthy. You do no

Choosing the Right Aquarium Filter (Sponge, HOB or Canister)

Choosing the Right Aquarium Filter (Sponge, HOB or Canister)

The filter is the lungs of your tank. The 'best' filter depends on tank size, stocking and whether you keep fry or shrim

Cycling a New Aquarium: The Nitrogen Cycle Explained

Cycling a New Aquarium: The Nitrogen Cycle Explained

Cycling grows beneficial bacteria that turn fish waste (ammonia) into nitrate. The tank is cycled when ammonia and nitri

Freshwater Aquarium Setup for Beginners (Step by Step)

Freshwater Aquarium Setup for Beginners (Step by Step)

Set up in order: tank and stand, substrate and hardscape, filter and heater, dechlorinated water, then cycle for two to

How to Acclimate New Fish (Without Killing Them)

How to Acclimate New Fish (Without Killing Them)

Float the bag to match temperature, then drip-acclimate over 30–60 minutes to equalise water chemistry. Quarantine for t

How to Do a Water Change Without Stressing Your Fish

How to Do a Water Change Without Stressing Your Fish

A regular water change is the single best routine for stable, healthy water. Done right, it removes nitrates and refresh

How to Set Up a Quarantine Tank (and Why You Need One)

How to Set Up a Quarantine Tank (and Why You Need One)

A quarantine tank is the cheapest insurance in the hobby. A simple 10-gallon hospital tank keeps new fish, shrimp and pl

Planted Tank for Beginners: Low-Tech, Low-Stress Green

Planted Tank for Beginners: Low-Tech, Low-Stress Green

A low-tech planted tank needs no CO2 and few special skills. Start with hardy plants like java fern and anubias, moderat

Sand vs Gravel: Which Substrate Should You Choose?

Sand vs Gravel: Which Substrate Should You Choose?

Substrate is the floor of your aquarium, and the sand-vs-gravel choice shapes everything from cleaning to which fish you

Setting Up a Shrimp Tank: A Calm Nano for Cherry and Amano

Setting Up a Shrimp Tank: A Calm Nano for Cherry and Amano

A dedicated shrimp tank is one of the most rewarding small setups. Cherry shrimp and amano shrimp are hardy, colourful a