Skip to content

Koi
- Shop Koi
  New Koi Arrivals
  Shop by Variety
  Shop by Breeder
- Japanese Koi
  Japan Buying Trip
  Shipping & Quarantine Info
  Personal Koi Shopper
- Popular Varieties
  Kohaku
  Showa Sanshoku
  Sanke
  Shiro Utsuri
  Ogon
  Goshiki
Auctions
- TWO WAYS TO WIN A KOI
  Live Cast Auction
  Timed Self-Serve Auctions
- WATCH & BID
  Register to Bid
  Insider+ Bidder Perks
Pond Supplies
- Water & Flow
  Pond Filtration
  Pond Pumps
  Pond Aeration
  Pond UV Lights
- Pond Build
  Plumbing Supplies
  Pond Liner & Underlayment
  Spillways
  Fountains
- Care & Living
  Koi Food
  Aquatic Plants
  Pond Lighting
  Koi Nets
- Seasonal Prep
  Spring & Summer Prep
  Fall & Winter Prep
  New Products
Insider +
Koi Pharmacy
Build a pond
Services
- Build
  Pond Construction
  Pondless Water Features
  Pond Enhancements
  Pond Lighting
- Maintain
  Pond Maintenance
  Annual Maintenance Plans
  Pond Cleaning
  Pond Repair
- Seasonal
  Spring Opening
  Winterization
  Aquatic Plants

Search

Request Services

Account Sign in

Koi

Shop Koi
Japanese Koi
Popular Varieties
- Kohaku
- Showa Sanshoku
- Sanke
- Shiro Utsuri
- Ogon
- Goshiki

A red and white Japanese koi fish shown from a top-down view against a solid blue background.

Just Landed from JapanNew Koi Arrivals Shop the drop

Auctions

TWO WAYS TO WIN A KOI
- Live Cast Auction
- Timed Self-Serve Auctions
WATCH & BID
- Register to Bid
- Insider+ Bidder Perks

A koi fish with a classic red, white, and black (sanrio) pattern, shown swimming diagonally against a solid white background.

Thursday Evenings & SaturdaysNext Live Cast Preview the lots

Pond Supplies

Water & Flow
Pond Build
Care & Living
Seasonal Prep

Three black outdoor fire pit tables with stone-look tops are shown on a plain white background, including one larger central unit and two smaller side units.

Equipment OnlyShop All Pond Supplies Browse the catalog

Insider +

Koi Pharmacy

Build a pond Opens in a new window.

Services

Build
Maintain
Seasonal

Three dark woven spherical fountain planters with water cascading over rocks in a landscaped garden pond setting.

All 11 Service LinesRequest a Consultation Book with our team

516-809-6771

Home
Shop
Algae Control

Algae Control

17 products available right now

Skip to results list

Showing 5 of 17 products

Sort

Sort Best selling

Featured

Most relevant

Best selling

Alphabetically, A-Z

Alphabetically, Z-A

Price, low to high

Price, high to low

Date, old to new

Date, new to old

Column grid

Filters

Active filters:

Column grid

Filters

Active filters:

Sort

Sort Best selling

Featured

Most relevant

Best selling

Alphabetically, A-Z

Alphabetically, Z-A

Price, low to high

Price, high to low

Date, old to new

Date, new to old

Clipper Broad Spectrum Herbicide - 5 lb. container

Sold out

Clipper Broad Spectrum Herbicide - 5 lb. container

Clipper Broad Spectrum Herbicide - 5 lb. container

$407.99
Out of stock
CURTRINE PLUS HERBICIDE

CURTRINE PLUS HERBICIDE

$161.00
In stock
CURTRINE PLUS HERBICIDE

CURTRINE PLUS HERBICIDE

CURTRINE PLUS HERBICIDE

$161.00
In stock
SERMA (GENERIC FOR CLIPPER) 5LB EPA 91234-129

SERMA (GENERIC FOR CLIPPER) 5LB EPA 91234-129

$493.86
In stock
Sale

Aquascape IonGen G2 Control Panel with Transformer 95017

Aquascape IonGen G2 Control Panel with Transformer 95017

Sale price $269.99 Regular price $439.98
In stock

1
2

Koi Market Aquatic Nursery — New York’s largest Japanese Koi importer, serving collectors nationwide and pond owners across Long Island.

Facebook

Instagram

Youtube

Tiktok

Shop Shop

New Koi Arrivals
Shop by Variety
Pond Supplies
Koi Pharmacy
Auctions
Live Shopping

Services Services

Pond Construction
Pond Maintenance
Filtration Upgrades
Spring Opening
Winterization
Request a Consultation

Open Hours

Mon – Sat

9 AM – 5 PM

Sunday

10 AM – 5 PM

Contact Us

(516) 809-6771

info@koimarket.com

539 Deer Park Avenue, Dix Hills, NY 11746 — entrance on North Service Rd of the Long Island Expressway at exit 51

Footer Policies Footer Policies

Terms and Conditions
Shipping & Quarantine
Insider+

Payment methods

Chat with Koi Market

Our team is on the floor Mon–Fri, 10 AM – 6 PM ET. Pick a channel and we’ll pick up.

WhatsApp Chat Opens in a new window.
Call (516) 809-6771
Email the Team

Your cart is empty

Have an account? Log in to check out faster.

Continue shopping

Search

Products

2" Retro Bead Filter Blower Kit MAR

2" Retro Bead Filter Blower Kit MAR

$582.63
2" Uni-Body Gate Valves

2" Uni-Body Gate Valves

$20.00
3" Acrylic 1ft for Sight Glass

3" Acrylic 1ft for Sight Glass

$44.00
3" Wye

3" Wye

$57.50

Algae Control

Filters

Active filters:

Clipper Broad Spectrum Herbicide - 5 lb. container

CURTRINE PLUS HERBICIDE

CURTRINE PLUS HERBICIDE

SERMA (GENERIC FOR CLIPPER) 5LB EPA 91234-129

Aquascape IonGen G2 Control Panel with Transformer 95017