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Pond tools⌄
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Care guides⌄
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Pond essentials

  • Choose a pump at its working flow
  • Clean the filter without undoing its work
  • Cycling a pond filter
  • Depth, shelves and real water volume
  • How many fish can my pond hold?
  • Mechanical and biological filtration
  • Oxygen: the pond’s daily essential
  • What a UV clarifier does
  • Your first pond: start with the system

Water

  • A simple water-testing routine
  • Ammonia: what the reading means
  • GH and KH are different measurements
  • KH: understanding your pond’s buffer
  • Nitrate: manage the long-term trend
  • Nitrite: watch the filter’s second step
  • Tap water, chlorine and dechlorination
  • Water changes without a new water problem
  • Water temperature changes the plan
  • pH: look for stability and context

Koi & pond fish

  • Can these fish live together?
  • Choose a koi you’ll enjoy keeping
  • Colour changes, new marks and missing scales
  • Growth, size and realistic expectations
  • Tench and carp: plan for the fish beneath the surface

New fish

  • New fish arrival: prepare before opening the bag
  • Quarantine is a separate system, not a spare bucket
  • The first week with new fish

Food & feeding

  • A feeding routine built around your fish
  • Build a feeding record that helps you buy the right bag
  • Keep the food fresh after opening

Sturgeon

  • Feeding sturgeon in a mixed pond
  • Sturgeon need a pond planned for sturgeon
  • Sturgeon: weed, treatments and other avoidable hazards

Fancy goldfish

  • A comfortable home for fancy goldfish
  • A fancy goldfish struggling to stay upright
  • Buoyancy problems: beyond the “pea cure”
  • Fancy goldfish deserve their own plan
  • Feeding fancy goldfish without a scramble
  • Goldfish bumps, wen and normal anatomy

Seasonal care

  • A handover sheet for whoever looks after your pond
  • A pond power cut: have a plan before it happens
  • Going away? Make the pond easy to look after
  • Warm-weather pond care
  • Winter care starts before the first frost

Behaviour & health

  • A koi jumping out of the water
  • Bottom-sitting and clamped fins
  • Fish gasping or breathing rapidly
  • Flashing, rubbing or repeated flicking
  • Parasites, scrapes and diagnosis
  • Something looks wrong: start here
  • Wounds, ulcers or red areas

Plants & pond environment

  • Green water and blanket weed are different problems
  • Plants in a fish pond
  • Protect the fish without creating a new hazard

Viruses & biosecurity

  • Biosecurity: keep one problem out of other systems
  • CEV: carp oedema virus / koi sleepy disease
  • Carp pox: waxy lumps on koi
  • CyHV-2: goldfish herpesvirus
  • Fish origins, health status and certificates
  • KHV: koi herpesvirus
  • Reporting suspected serious fish disease
  • SVC: spring viraemia of carp

External parasites

  • Argulus: fish lice
  • Chilodonella
  • Costia: Ichthyobodo
  • Epistylis, Apiosoma and attached ciliates
  • Ergasilus: gill copepods
  • Fish leeches
  • Freshwater velvet: Piscinoodinium
  • Gill flukes: Dactylogyrus
  • Lernaea: anchorworm
  • Skin flukes: Gyrodactylus
  • Tetrahymena and lookalike ciliates
  • Trichodina: the rotating disc parasite
  • White spot: Ichthyophthirius multifiliis

Internal parasites

  • Black spot and encysted trematodes
  • Camallanus: red worms at the vent
  • Capillaria and other intestinal nematodes
  • Internal worms: what a thin fish can tell you
  • Microsporidia, myxozoans and internal cysts
  • Tapeworms and cestodes

Bacteria & water moulds

  • Bacterial infections: identify the cause
  • Columnaris: a bacterial lookalike for fungus
  • Fin rot, split fins and tail damage
  • Mycobacteriosis in fish
  • Saprolegnia: water mould on fish

Symptoms & urgent help

  • A fish that stops eating
  • Cloudy eyes and eye injuries
  • Dropsy and raised scales
  • Fish in distress: what to do first
  • Gill disease: breathing problems with many causes
  • Lumps, tumours and growths
  • Popeye: one or both eyes protruding

Water & environmental problems

  • Chlorine, sprays and chemical exposure
  • Gas bubble disease

Practical fish-health skills

  • Before using a pond treatment
  • Formalin: understand the product and risks
  • How a koi skin-mucus scrape is taken
  • Salt in ponds: purpose before dose
  • Scrape, culture, PCR: which test answers what?
  • Using a microscope for fish-health checks
Visit & help⌄
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Talk to the WakeyKoi Advisor→
Home/Pond help
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WakeyKoi pond tools

Practical help
for your pond.

Choose a tool. Bring what you know. We’ll help you take the next step.

01 / ASK

Ask a question
about fish or ponds.

Get instant answers about fish, care and equipment from our question database.

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02 / BUILD

Choose fish.
Build a pond pack.

Shape a pond pack around your taste, setup and budget.

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03 / DISCOVER

Identify common
koi varieties.

Compare the colours and markings you can see against our variety guide.

Compare koi varieties ↗

Pond size & equipment

Pond volume, pump flow and equipment checklist. Start with the measurements you have.

Open pond planner →

Food & feeding calculator

Compare our food, estimate bag life and explore current subscription options.

Explore Food HQ →

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Himley Lane
DY3 4LN
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