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 Amazon listings in each category. Products are sorted by a combination of availability, customer rating, and affiliate commission tier — these are not hand-curated editorial picks.affiliate
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 →Affiliate disclosure
ownkoi.com is an Amazon Associate site. Product information, ratings, images and prices are sourced from the Amazon Product Advertising API and refreshed daily. Every outbound product link is an affiliate link — we earn a commission on qualifying purchases made on Amazon at no additional cost to you.
Product copy is generated from manufacturer specifications and edited for clarity. 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.
Full affiliate & editorial policy →