Water Quality — Articles

25 Dec 2025 4 min read

Pregnant guppy care: what “normal” looks like and when to worry

Pregnancy changes behaviour and shape. The key is stable water and reducing stress, not constant intervention.

Guides Care Breeding +1 more

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24 Dec 2025 4 min read

Moving guppies between tanks: the safest way to avoid shock and sudden losses

Most losses during moves come from chemistry or temperature mismatch, not the net. Small, calm steps keep fish safe.

Guides Care Beginner +2 more

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24 Dec 2025 4 min read

Dechlorinator mistakes: the most common reason “everything looked fine” then fish crashed

Chlorine and chloramine damage gills fast. Most disasters happen from under-dosing, forgetting, or treating the wrong water volume.

Guides Care Beginner +2 more

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24 Dec 2025 4 min read

Biofilm in guppy tanks: the “slimy” stuff that can actually help (and when it’s a warning)

Biofilm is normal in healthy tanks, especially on wood and plants. The key is knowing when it’s harmless and when it signals excess organics.

Guides Care Beginner +1 more

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24 Dec 2025 4 min read

Snails in guppy tanks: helpful clean-up crew or a problem?

Snails usually appear because there’s extra food. They can help, but a population boom is a signal to adjust feeding and maintenance.

Guides Care Beginner +1 more

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24 Dec 2025 4 min read

Air stones for guppies: when you need one and when you don’t

Air stones aren’t mandatory, but they’re one of the easiest tools for stability, oxygen, and recovery after stress.

Guides Care Beginner +2 more

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23 Dec 2025 4 min read

“New tank syndrome” with guppies: what it looks like and how to stabilise fast (without starting over)

New tanks swing because biology isn’t established yet. With the right routine, you can stabilise quickly without tearing everything down.

Guides Care Beginner +2 more

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23 Dec 2025 4 min read

Pregnant guppy signs: what’s normal, what’s risky, and how to support a clean drop

Pregnancy is normal for guppies, but stress and water swings can cause bad outcomes. A calm, stable tank is the best “breeding box.”

Guides Care Breeding +2 more

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23 Dec 2025 4 min read

Feeding guppies in hot weather: what to change during Australian heat waves

In heat waves, oxygen becomes the limiting factor. Feeding strategy should reduce waste and keep fish breathing easy.

Guides Care Feeding +2 more

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23 Dec 2025 4 min read

Guppy grass: what it is, why fry love it, and how to use it without turning your tank into a jungle

“Guppy grass” is a hobby nickname for fast-growing plant cover. It’s amazing for fry, but you need a plan so it doesn’t take over.

Guides Care Beginner +2 more

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23 Dec 2025 4 min read

Summer heat for guppies: keeping oxygen high and avoiding sudden crashes

Heat waves stress guppies mostly through oxygen loss. A few simple moves prevent the classic summer crash.

Guides Care Health +2 more

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22 Dec 2025 4 min read

Algae in guppy tanks: a “less stress” plan that fixes the cause instead of scrubbing forever

Algae isn’t a failure — it’s a balance issue. Fix light, waste, and routine and algae becomes manageable instead of constant labour.

Guides Care Beginner +1 more

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