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Doheny's Master Pool Opening Kit | Made in USA | Start-Up Chemicals for Pools | Includes Ultimate Kit, Natural Chemistry, Metal Out, Clarifier, Spring Control & Super Shock | Treats 30,000 Gallons

  • Based on 902 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Doheny's Pool Supplies Fast

Arrives Sep 6 – Sep 10
Order within 11 hours and 10 minutes
Available payment plans shown during checkout

Size: Pool Master Kit (For Pools Up To 30,000 Gallons)


Features

  • Proudly American-Made Effortless Pool Opening: Trusted for over 50 years, Dohenys family-owned brand delivers a complete Pool Start-Up Kit that takes the guesswork out of spring prep for a clean, swim-ready pool.
  • All-in-One Convenience: No need to buy separate chemicals! Our kits treat pools from 10,000 to 30,000 gallons and include easy-to-follow instructions.
  • Ultimate Start-Up Kit Includes: Dohenys Metal Out (Stain, Rust & Scale Preventer), Spring Control, Water Clarifier, and Premium Super Shock Plusplus a FREE 10-pack of test strips!
  • Most Powerful Start-Up Kit: The Pool Master Natural Chemistry Start-Up Kit includes everything in the Ultimate Kit plus 1-quart bottles of Metal Free & Pool Magic Spring & Phos-Free for extra protection!
  • For Larger Pools: Simply purchase multiple kits to cover bigger pool sizes with the same powerful treatment!

Brand: Doheny's


Item Form: Liquid, Powder


Product Benefits: Controls Algae, Prevents Scales


UPC:


Unit Count: 1 Count


Product Dimensions: 12 x 12 x 12 inches


Item Weight: 16.9 pounds


Manufacturer: Doheny's


Country of Origin: USA


Item model number: 4896


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 6 – Sep 10

This item is non-returnable:

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.

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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Easy pool opening.
Size: Ultimate Kit (For Pools Up To 10,000 Gall...
Received fast delivery, it is nice for opening your pool to start the swimming season.
Reviewed in the United States on June 17, 2025 by Amazon Customer

  • A must have for pool owners!!
Size: Ultimate Kit (For Pools Up To 10,000 Gall...
Great startup.. I use the pool closing as well in the fall!! When I opened my pool last month the water was clear!! Nice product!!!
Reviewed in the United States on June 8, 2025 by Happy shopper

  • Pool's Open!
Size: Ultimate Kit (For Pools Up To 20,000 Gall...
This product works fast. It's application is as easy as it comes. It takes the guess work and anxiety out of opening a pool. Very inexpensive. The pool season can start very fast, once the product is added. Water clarity happens the next day. Easy easy easy!! I will use this product every year
Reviewed in the United States on May 22, 2025 by E L Brown E L Brown

  • Use as prescribed and should work great
Size: Ultimate Kit (For Pools Up To 20,000 Gall...
Worked great. We even spilled some junk off top of our cover while uncovering and chems still did there job. Very happy with these products.
Reviewed in the United States on June 4, 2025 by Hef67

  • Works ok
Size: Ultimate Kit (For Pools Up To 10,000 Gall...
Worked ok. Water was still extremely cloudy afterwards. I’m not sure the previous owner closed the pool properly.
Reviewed in the United States on June 3, 2025 by Daniel Van Wetering

  • the best to use
Size: Ultimate Kit (For Pools Up To 20,000 Gall...
it works very well easy to read directions
Reviewed in the United States on June 16, 2025 by St.louis moose lodge 1566

  • Works great
Size: Ultimate Kit (For Pools Up To 10,000 Gall...
Worked perfectly, it made opening the pool so easy. I opened up a green pool this year, did the chemicals in the steps it says and next day it was clear. Would definitely recommend this product, I know I'll be using it every year from now on
Reviewed in the United States on May 21, 2025 by david c

  • Pool service
Size: Ultimate Kit (For Pools Up To 30,000 Gall...
This is the first time that I have ordered this product. It is so easy and everything is in the box that you received to start your pool for the season. I think it’s wonderful and I hope that they will be around for as long as I have my pool.
Reviewed in the United States on May 18, 2025 by Edwin Foster

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