Aquatics by Ash

The Blog

Tips, guides, and advice for aquarium owners in Melbourne and beyond.

20 August 2026

Why Is My Fish Not Eating? 10 Common Reasons & What You Should Do

A fish that's stopped eating doesn't always mean it's sick. Here are the 10 most common reasons and how to work out what's actually going on.

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3 August 2026

Why Are My Fish Gasping at the Surface? 10 Common Causes (& How to Fix It)

Fish gasping at the top of the tank usually means low oxygen or poor water quality. Here are the 10 most common causes and what to do first.

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20 July 2026

Aquarium Water Parameters Explained – The Numbers Every Fish Keeper Should Understand

pH, GH, KH, ammonia, nitrite and nitrate — what each one means and why stable water beats "perfect" water every time.

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9 July 2026

Why Is My Aquarium Growing Algae?

One of the most common questions I get asked is why is my aquarium growing algae. Here's what's really causing it and how to fix it for good.

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2 July 2026

How Much Does a Fish Tank Setup Cost in Melbourne?

Planning a fish tank setup? Here's what actually drives the cost — tank size, filtration, and professional installation in Melbourne.

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22 June 2026

How Do I Get My New Aquarium Ready for Fish?

Clear water doesn't mean a tank is ready for fish. Here's how to properly cycle a new aquarium before adding your first fish.

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14 June 2026

How Often Should You Clean a Fish Tank?

There's no one-size-fits-all cleaning schedule. Here's how to read what your fish tank is actually telling you about when to clean.

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3 June 2026

Fish Aquarium Basics: What Every New Owner Needs to Know

New to fish keeping? Here's what every new aquarium owner needs to get right before adding a single fish. Tips from Aquatics by Ash.

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22 May 2026

Why Are My Fish Dying? Understanding Ammonia Spikes in Aquariums

Sudden fish deaths are often ammonia spikes. Clear water doesn't mean healthy water — here's what's going wrong and how to fix it.

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15 May 2026

Cloudy Aquarium Water – What's Actually Causing It?

Cloudy aquarium water is common in new setups. Here's what's really causing it — and why over-cleaning usually makes it worse.

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7 May 2026

Choosing the Right Aquarium Filter – What Actually Works

Filtration makes or breaks a tank. Here's what actually matters when choosing an aquarium filter, from a Melbourne aquarium specialist.

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18 April 2026

Choosing the Right Substrate and Decor for Your Aquarium

Picking substrate and decor isn't just about looks — the wrong choice makes maintenance harder and stresses fish. Here's how to choose right.

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27 March 2026

Beginner Aquarium Setup Guide – Step by Step

Setting up a fish tank for the first time? Filtration, water chemistry & adding fish safely — advice from Aquatics by Ash, Greater Melbourne.

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