Skip to content
  • 💳 Get more for less with our low-price sale! 💳
  • 💳 Get more for less with our low-price sale! 💳
Doheny ShopDoheny Shop
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

  • Chemicals
    • Clarifiers & Enzymes
    • Stain Removers
    • Alternatives
    • Balancers
    • Chlorine & Bromine
    • Water Testers
    • Value Packs
    • Closing Kits
    • Floating Chlorinators
    • Start-Up Kits
  • Inground
    • Covers
    • Equipment
    • Accessories
    • Paint & Coatings
    • Liners
  • Equipment
    • Filters
    • Multiport Valves
  • Accessories
    • Toys Games & Floats
    • Pool Maintenance
    • Solar Accessories
    • Thermometers
    • Alarms & Timers
Home / Chemicals / Clarifiers & Enzymes
Sale!
SeaKlear PhosKlear 4000, 4 Qt

SeaKlear PhosKlear 4000, 4 Qt

$109.99 Original price was: $109.99.$76.99Current price is: $76.99.

Clear
SKU: ZG9OZ 58239 Categories: Chemicals, Clarifiers & Enzymes
  • The Quality Choice for Smart Shoppers
  • 100% High-Quality Guarantee
  • Secure Payments, Secure Shopping
  • Fast and Secure Payments
Browse
  • Accessories
    • Alarms & Timers
    • Pool Maintenance
      • Brushes
      • Hoses
      • Rakes & Skimmers
      • Vacuum Heads
    • Solar Accessories
    • Thermometers
    • Toys Games & Floats
      • Lounges, Floats & Games
  • Chemicals
    • Alternatives
    • Balancers
    • Chlorine & Bromine
    • Clarifiers & Enzymes
    • Closing Kits
    • Floating Chlorinators
    • Stain Removers
    • Start-Up Kits
    • Value Packs
    • Water Testers
  • Equipment
    • Filters
      • Filter Cartridges
    • Multiport Valves
  • Inground
    • Accessories
      • Diving Boards
      • Lighting & Fountains
      • Pool Ladders
      • Pool Slides
      • Pool Steps
      • Storage & Fencing
    • Covers
      • Safety Covers
        • Accessories
        • Onground Covers
      • Solar Covers
        • Accessories
        • Alternatives
        • Rectangular Covers
        • Reels
      • Winter Covers
        • Cover Accessories
        • Rectangular Leaf Nets
        • Rectangular Mesh Covers
        • Rectangular Solid Covers
        • Winter Accessories
    • Equipment
      • Cleaners
        • Cleaner Accessories
        • Pressure Cleaners
        • Robotic Cleaners
        • Suction Cleaners
        • Vacuums
      • Filters
        • Cartridge Filters
        • DE Filters
        • Filter Media
        • Sand Filters
      • Heaters
        • Heat Pumps
        • Propane & Gas Heaters
      • Pumps
      • Salt Systems
        • Chlorine Generators
        • Replacement Cells
    • Liners
      • Accessories
    • Paint & Coatings
  • Uncategorized
  • Description
  • Additional information
  • Reviews (0)

SeaKlear’s new product, PhosKlear 4000, is a powerful twofold formula aimed toward removing phosphates. The powerful one-two punch of phosphate removers fused with SeaKlear’s Natural Clarifier, minimizes phosphate levels while keeping your pool water crystal clear. PhosKlear 4000 can be used for treatment of high phosphate levels, and weekly maintenance.

Comes in Quart bottle. One Quart treats 4,000 ppb or 10,000 gallons of water.

Quarts

1 qt, 2 qts, 4 qts, 12 qts

Reviews

There are no reviews yet.

Be the first to review “SeaKlear PhosKlear 4000, 4 Qt” Cancel reply

Related products

Sale!
Jack's Magic The Tile Plus Stuff
Quick View

Chemicals

Jack’s Magic The Tile Plus Stuff

$29.99 Original price was: $29.99.$20.99Current price is: $20.99.
Sale!
Doheny's Economy Value Pack With Di-Chlor
Quick View

Chemicals

Doheny’s Economy Value Pack With Di-Chlor

$184.99 Original price was: $184.99.$99.99Current price is: $99.99.
Sale!
SeaKlear Chitosan Clarifier, 1 Qt
Quick View

Chemicals

SeaKlear Chitosan Clarifier, 1 Qt

$24.99 Original price was: $24.99.$17.49Current price is: $17.49.
Sale!
Doheny's Automatic Chlorinator/Brominator, Above Ground, In-Line
Quick View

Chemicals

Doheny’s Automatic Chlorinator/Brominator, Above Ground, In-Line

$79.99 Original price was: $79.99.$55.99Current price is: $55.99.
Sale!
Doheny's Pool Start-Up Kit - #2 Up To 20,000 Gallons
Quick View

Chemicals

Doheny’s Pool Start-Up Kit – #2 Up To 20,000 Gallons

$44.99 Original price was: $44.99.$31.49Current price is: $31.49.
Sale!
Doheny's PH Plus, 5 Lb
Quick View

Balancers

Doheny’s PH Plus, 5 Lb

$19.79 Original price was: $19.79.$13.85Current price is: $13.85.
Sale!
Flippin' FROG XL® Replacement Cartridge
Quick View

Alternatives

Flippin’ FROG XL® Replacement Cartridge

$26.95 Original price was: $26.95.$18.87Current price is: $18.87.
Sale!
Doheny's Chlorine Skimmer Sticks, 10 Lb
Quick View

Chemicals

Doheny’s Chlorine Skimmer Sticks, 10 Lb

$109.99 Original price was: $109.99.$76.99Current price is: $76.99.
Products
  • Pentair IntelliChlor Chlorine Generator, Complete System 20,000 Gal Pentair IntelliChlor Chlorine Generator, Complete System 20,000 Gal $312.00 Original price was: $312.00.$96.99Current price is: $96.99.
  • Pleatco PTL30W-P4 Filter Cartridge Pleatco PTL30W-P4 Filter Cartridge $34.99 Original price was: $34.99.$24.49Current price is: $24.49.
LEGAL
  • Privacy Policy
  • Shipping & Returns
  • FAQ
  • Returns & Exchanges
  • Term and Conditions
CUSTOMER SERVICE
  • My account
  • Delivery
  • Payment Method
  • Contact Us
  • About Us
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Copyright 2026 © www.dohenystore.com
    • Chemicals
      • Clarifiers & Enzymes
      • Stain Removers
      • Alternatives
      • Balancers
      • Chlorine & Bromine
      • Water Testers
      • Value Packs
      • Closing Kits
      • Floating Chlorinators
      • Start-Up Kits
    • Inground
      • Covers
      • Equipment
      • Accessories
      • Paint & Coatings
      • Liners
    • Equipment
      • Filters
      • Multiport Valves
    • Accessories
      • Toys Games & Floats
      • Pool Maintenance
      • Solar Accessories
      • Thermometers
      • Alarms & Timers
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.