SKU: 18043478271

Robelle 2550 Mineral Out Stain Remover for Swimming Pools

Sale price$52.34 Regular price$58.15
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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25

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Description

Robelle 2550 Mineral Out Stain Remover for Swimming PoolsSize: 4 Pack Robelle Mineral Out is especially formulated to help prevent discoloration of pool water due to iron, calcium, magnesium, copper and other minerals and metals. This product is particularly ideal for pools using well water or in regions where heavy metals are naturally present in the water. With regular use, Robelle Mineral Out is ideal for controlling general stains and helps maintain a sparkling clean pool. This product helps prevent

Size:4-Pack

Robelle Mineral Out is especially formulated to help prevent discoloration of pool water due to iron, calcium, magnesium, copper and other minerals and metals. This product is particularly ideal for pools using well water or in regions where heavy metals are naturally present in the water. With regular use, Robelle Mineral Out is ideal for controlling general stains and helps maintain a sparkling clean pool. This product helps prevent discoloration of pool water due to iron, calcium, manganese, copper and other metals and minerals which may be present in the water supply. This product is an excellent general purpose sequestrant which helps protect plumbing and pool walls from rust, stain and scale. It should be used for all pool openings and closings and throughout the season as needed. For initial filling of pool, if iron or other metallic contaminants are suspected, add one quart of this product for each 10,000 gallons of pool water. Add this product while the pool is being filled and before chlorine is added. To correct an existing colored water problem due to the presence of minerals in the pool water, first close the pool to all swimmers. Leave the filter pump running. Stop chlorinating the pool and allow the chlorine level to drop to zero. Lower the pH of the pool water to 6.8 with a pH decreaser. Lowering the pH will redissolve the metallic impurities. Add one quart of this product per 10,000 gallons of water and allow the pool water to circulate overnight, or until the water is clear. Readjust the pH of the pool water between 7.2 to 7.8 with a pH Increaser. Begin normal chlorination and pool operation. Swimming may resume when chlorine residual is 1.0 to 3.0 ppm. To make up for loss of this product due to backwashing and/or splash-out, add one quart of this product for each 20,000 gallons of pool water, once each month.

  • This product helps prevent discoloration of pool water due to iron, calcium, manganese, copper and other metals and minerals which may be present in the water supply
  • This product is an excellent general purpose sequestrant which helps protect plumbing and pool walls from rust, stain and scale
  • It should be used for all pool openings and closings and throughout the season as needed
  • 1 quart per 10,000 gallons
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18043478271

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4.7 ★★★★★
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Jennifer
Alexandria, US
★★★★★ 5
My husband loves these shirts
Color: Dark Blue, Size: Large
My husband just loves these shirts. He has one in every color, I think. Great quality, good price, breathable, true to color, and super comfy. Nice enough to wear to a nice dinner but can be dressed down w a pair of shorts and flip flops. By far the best find I have found!
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Reviewed in the United States on February 12, 2026
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Verified Purchase
Foxiann H.
Lake Worth, US
★★★★★ 5
Soft, smooth breathable material
Color: Black, Size: Large
My teen son is 5'9", weights 150lbs. I ordered up from medium to large.. the shirt fits good, a bit wide but will do the job. Smooth and soft and breathable material,
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Reviewed in the United States on May 23, 2026
M
Verified Purchase
michlind
Omaha, US
★★★★★ 4
Shrink-wrapped shirt???
Color: Clear Blue, Size: X-Large
This shirt arrived in a vacuum packed clear package which caused wrinkles in the synthetic material. Instructions to remove the wrinkles are to run the shirt through a wash cycle. Well, that didn't work! I'm hoping a dry cleaning service can steam press the wrinkles out. Aside from that issue it is a very nice shirt. Sizing good. Fabric thickness and material are very good. Because it is made from polyester and spandex shrinkage will not be an issue.
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Reviewed in the United States on May 30, 2026
M
Verified Purchase
Marine1035
Phoenix, US
★★★★★ 5
Extremely comfortable.
Color: Light Green, Size: X-Large
This shirt is one of my favorites. It fits perfectly and is extremely comfortable. I'm not a paid reviewer.
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Reviewed in the United States on April 28, 2026
A
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Amazon Customer
Dallas, US
★★★★★ 5
Great size and cut for an athletic build.
Color: Dark Blue, Size: Medium
I have purchased about a dozen different Coofandy long-sleeve and short-sleeve shirts and I absolutely love them. I'm 5'6" and 175 lbs with an athletic build and I wear a medium from this company. For an average build, they may seem a little "undersized", but if your looking for a shirt that really shows your physique these are perfect. I'm normally a Vuori guy for my athletic cut clothing, but these shirt are one quarter the price, a really nice cut, comfortable, and decent quality. They are cheap enough that I added a host of different colors to my wardrobe.
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Reviewed in the United States on January 28, 2026

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