SKU: 61825997392

Reef Builder 4kg

Sale price$166.50 Regular price$185.00
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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3

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Description

Reef Builder 4kgReef Builder effectively increases carbonate alkalinity (KH) without causing an immediate change in pH levels. With continued use, it tends to stabilize around a pH of 8. 3. When used according to instructions, Reef Builder will not reduce calcium, magnesium, or strontium levels, which often tend to precipitate as alkalinity rises. You can combine Reef Builder with Reef Buffer for optimal results. Utilize Reef Builder to elevate carbonate alkalinity

Reef Builder effectively increases carbonate alkalinity (KH) without causing an immediate change in pH levels. With continued use, it tends to stabilize around a pH of 8.3. When used according to instructions, Reef Builder will not reduce calcium, magnesium, or strontium levels, which often tend to precipitate as alkalinity rises. You can combine Reef Builder with Reef Buffer for optimal results. Utilize Reef Builder to elevate carbonate alkalinity while keeping pH stable. In contrast, use Reef Buffer to enhance both carbonate alkalinity and pH. It’s essential to maintain reef alkalinity between 3–5 meq/L (8–14 dKH), and ensure that alkalinity does not drop below 2 meq/L.


Expires on 01 Jul 2030
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SKU: 61825997392

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4.4 ★★★★★
Based on 18 reviews
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Verified Purchase
Julianne OConnell
Port Orchard, US
★★★★★ 5
Cooling comfort
Color: Gray, Size: Queen (4 Count)
Very comfortable and cooling. Love them. Help me fall asleep faster and stay asleep instead of flipping my pillow all night.
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Reviewed in the United States on August 17, 2025
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Verified Purchase
Lena
Grantham, US
★★★★★ 5
Satin pillow cases
Color: Gray, Size: Queen (2 Count)
Awesome pillow case, nice soft , Satin like and very cooling material.
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Reviewed in the United States on August 24, 2025
H
Verified Purchase
Honé
Pawtucket, US
★★★★★ 1
Disappointed
Color: Gray, Size: Queen (2 Count)
Not cooling and bad fit.
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Reviewed in the United States on August 26, 2025
S
Verified Purchase
Sarah Williamson
Natrona Heights, US
★★★★★ 5
They work!
Color: Gray, Size: Queen (2 Count)
They do keep my pillow cool!
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Reviewed in the United States on September 8, 2025
C
CustomerReviewer
Lake Worth, US
★★★★★ 4
Interesting pillowcase that does run cool to the touch
To begin: I'm a 64 y/o woman who still gets hot flashes, despite air-conditioning and a fan blowing on me at night. It's the sheets off then blankets on routine that so many of us know. I ordered this pillowcase hoping that I would find some kind of relief in the night, even it was only for my head. The fabric is very unusual. It's a silky nylon blend, very swishy and soft. It reminds me of luxury, expensive women's lingerie. It's extremely slippery, moreso when you have your head on it; there certainly won't be any resistance or pulling on the hair all night. I washed it before using it, put it in a mesh bag to protect it from getting snagged. It washed and dried as good as new. One thing to note: because it is so slippery the pillow may want to slide a little out of the pillowcase. I slept quite well and did not experience any heat or sweating on it. The reason for the 4* and not 5* is the price, at almost $20 it is a bit pricey for a rectangle of nylon fabric. I could see if it were real silk, but it's not. Otherwise it's exactly what it purports to be.
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Reviewed in the United States on July 29, 2025

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