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Spa Down / pH Down 2.5 lbs

Marsoni M251S
Sale price$14.99
Pay 4 payments of $3.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Spa Down / pH Down 2.5 lbsSpa Down lowers both pH and Alkalinity. With the use of spa test strips make certain to maintain your alkalinity between 80 to 150 ppm and your pH between 7. 2 to 7. 8 ppm. Important to use Spa Down whenever the pH level climbs above 7. 8 ppm! RECOMMENDED USE: Turn OFF all pumps and blowers. Add oz (1 tsp) for every 500 gallons. Run filtration pump for 30 minutes. Test and repeat procedure until the pH is at the recommended level. ***For best results
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 1555 reviews
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Verified Purchase
Ellen Walsh
Houston, US
★★★★★ 5
Very nice
Color: Ocean Blue, Size: Medium
Soft breathable. Fit true to size. Washed nice
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
D
Verified Purchase
Dora Lilian Hernandez
Omaha, US
★★★★★ 5
Good item
Color: Claret, Size: Medium
I really like it, nice fabric and comfortable
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Reviewed in the United States on April 21, 2026
S
Verified Purchase
Siobhan Smith
Battle Creek, US
★★★★★ 5
Super soft and comfortable!
I haven't bought new underwear in forever. I used to wear thongs, but now find them incredibly uncomfortable. The last few times I've tried to buy new underwear, the sizing was either way off (I'm a medium, but gave up after having to return them for a large and then extra large) or the quality was horrible (two brands stretch waaaay out and they can fall down while wearing them (I have larger ass-ets, so they shouldn't start to slide down during use). I tried these after buying some bamboo pyjamas and I love them! They are incredibly soft, comfortable, and stretchy. I can use them all day, and they work well, whether I'm lounging on the couch or wearing them under my spandex shorts at the gym, they don't ride up or slide down. They are both comfortable and look sexy, while providing support in all the right places. I haven't had them too long, so I can't speak on the durability, but they appear to be of good quality and I plan to order more, this time without the band.
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Reviewed in the United States on November 13, 2025
M
Verified Purchase
Mariel
Cuba, US
★★★★★ 5
Well made, light fabric. Waist doesn't roll.
These bamboo underwear really do keep you cool. They fit true to size, and wear easily. the wide elastic waist band doesn't roll on me. They are comfortable to wear, washed and dried easily. The material has some stretch to it, but not a lot. Well made, no stray strings. Perfect fit for me. Just what I was looking for.
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Reviewed in the United States on May 17, 2026
F
Verified Purchase
Finngirl
Los Angeles, US
★★★★★ 5
Good quality, smooth feel
I got these briefs so recently that have washed just one pair so far. First off, these are very comfortable, the material is soft & bordering silky, good quality sewing. Wash well and minimal if any shrinkage. They do come a bit wrinkled from the dryer but hey, these are underwear and will go on smoothly. If it were a t-shirt, I would look sloppy. I feel the sizing is accurate. No rolling and these don't announce themselves under clothing. Planning on getting more of these boxers and replacing my old panties.
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Reviewed in the United States on January 31, 2026

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