Water & cycling
Start with your source water. Understand GH, KH and pH, grow a working filter and use the calculators with their assumptions in mind.
Aquarium topics
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Start a tank
Build a steady start: choose the tank, establish the filter and understand the routine before adding fish.
Something wrong?
Work through the cause before reaching for a treatment. Water tests and the pattern of symptoms tell you where to begin.
Choose fish for your water
Species, breeding and day-to-day care. Check the adult size, group needs and water requirements before you buy.