Catalog · Pond & koi equipment
A catalog of filters, pumps, UV clarifiers, food, liners and testing gear — sourced from Amazon and organised by what each piece of equipment does.
The catalog is organised the way a pond is built — by what each component does. Each category page lists current Amazon availability with a short factual description of the category itself.
Cat. 01
Pressurised, gravity, bead and moving-bed filtration units for outdoor ornamental ponds.
Cat. 02
Submersible and external circulation pumps for pond plumbing.
Cat. 03
Single-pass ultraviolet sterilisation units for algae control.
Cat. 04
Colour-enhancing, growth, staple and wheat-germ formulations for pond fish.
Cat. 05
EPDM, RPE and PVC flexible membranes for custom pond construction.
Cat. 06
Liquid reagent kits, test strips and digital meters for pond water parameters.
Cat. 07
Landing nets, skim nets and seasonal coverage netting for outdoor ponds.
Cat. 08
Resin statuary, spillway bowls and ornamental edging elements.
Cat. 09
Automatic feeders, feeding rings and measuring scoops.
Cat. 10
Diaphragm air pumps, aeration diffusers and kit bundles.
Selected from current retailer listings in each category. Products are sorted by listing recency and source-retailer popularity. These are not hand-curated editorial picks and the site does not test or rank products.
Plain-language articles that define the equipment in the catalog and explain how each category fits into a pond system. No advice on live-animal care, disease treatment, or keeping practice.
Mechanical, biological, and UV — what each stage does.
Read →Reference · 5 minHow single-pass UV interacts with suspended algae.
Read →Reference · 6 minSubmersible vs external; head pressure; flow vs turnover.
Read →Reference · 7 minEPDM, RPE, PVC, preformed — lifespan and use cases.
Read →About this catalog
ownkoi.com is a product catalog for outdoor pond and koi equipment. Product titles, images, descriptions and prices are taken from the public retailer pages linked alongside each product, and refreshed periodically. Outbound links route to the source retailer. The site does not currently participate in any affiliate program.
Reference articles describe equipment categories at the level of generally available reference material. The site does not provide advice on koi keeping, disease treatment, or pond-life decisions. Questions about a living animal should go to a qualified aquatic veterinarian.
Sourcing & disclosures →