Blog
Setting Up a New Filter Without Crashing the Cycle
Swapping a filter throws away your bacteria unless you plan for it. The overlap method, what to move across, and how to watch the first fortnight.
A Filter Maintenance Schedule You Will Actually Keep
Most filter failures are maintenance failures. A realistic weekly, monthly and annual routine, plus the two jobs that must never happen in the same week.
Canister vs Hang-On-Back: Which Filter Suits Your Tank
The two dominant filter styles suit different tanks and different owners. A practical comparison across capacity, noise, servicing, running cost and the mistakes each one invites.
Why Your Aquarium Is Cloudy — Five Causes and What Each One Means
Cloudy water is a symptom, not a diagnosis. The colour of the haze, when it appeared and what you changed last week narrow it down to one of five causes.
Filter Media Explained: Mechanical, Chemical and Biological
Three kinds of media do three different jobs, and only two of them are consumables. Here is what each layer does, in what order it should sit, and how often it really needs changing.
How to Size an Aquarium Filter Without Guessing
Filter ratings are printed for lightly stocked tanks. Here is how to read the gallon rating, the flow rate and the stocking level together so the unit you buy is the right one.
