SKU: 15322654112

Seachem Acid Regulator*

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Description

Seachem Acid Regulator*Seachem Acid Regulator Acid Regulator adjusts pH to the acidic range (4. 55. 5) and softens water by precipitating calcium and magnesium. Acid Regulator supports the establishment of the optimal environment for all acid acclimated species (e. g. neons and other tetras, etc.). For further freshwater environment enhancement, use Fresh Trace to restore the proper level of trace elements and feed NutriDiet Tropical Flakes for thriving, healthy freshwater

Seachem Acid Regulator

Acid Regulator™ adjusts pH to the acidic range (4.5–5.5) and softens water by precipitating calcium and magnesium. Acid Regulator™ supports the establishment of the optimal environment for all acid acclimated species (e.g. neons and other tetras, etc.). For further freshwater environment enhancement, use Fresh Trace™ to restore the proper level of trace elements and feed NutriDiet® Tropical Flakes for thriving, healthy freshwater community fish.

Contains phosphate buffers and conditioning agents. Safe for all freshwater fish acclimated to acid pH.

Directions

Use 1 level teaspoon (5 g) for every 40 L (10 US gallons) daily until intended pH is reached. For precise dosing use the Seachem Digital Spoon Scale. Thereafter, use once a month or with water changes as required to maintain pH. To raise pH, use Neutral Regulator®.

To target a particular pH use in combination with Neutral Regulator® following the chart. This chart assumes the use of unbuffered water (RO or DI). If water is already buffered use the chart as a starting guide. Use Prime® to dechlorinate tap water before doing a water change.

To target a particular pH use in combination with Neutral Regulator® following the chart

Neutral Regulator Acid Regulator pH
1 1 6.8
1 2 6.4
1 3 6.2
1 4 6.1
1 6 6.0
1 9 5.8

 

A: Yes, it won't harm your plants, however, Acid Regulator™ is a phosphate based buffer, so you may experience some unwanted algae growth depending on usage. For lowering pH in the planted aquarium, we recommend Acid Buffer™. Acid Buffer™ is a phosphate/carbonate free buffer for lowering and stabilizing pH in the acid range of pH 4–6.8.

A: The difference is that Acid Buffer™ is a straight acid source and Acid Regulator™ is a phosphate based buffering system. Acid Regulator™ has a greater ability to maintain a pH as were a straight acid source can have a slight pH drift. When you are trying to avoid any additional phosphates I would go with the Acid Buffer™ and Alkaline Buffer® products but if that is not an issue, then the Acid Regulator™ will maintain a more constant pH.

A: You can use Acid Regulator™ by itself to achieve a pH within the range of 4.5 - 6.8, adding slowly until intended pH is reached. We recommend using Acid Regulator™ in combination with Neutral Regulator® or Alkaline Regulator™ to maintain a slightly higher pH or to increase pH (if your pH is lowered too quickly, etc.).

 

 

Shipping Notes
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Exchange/Return Notes
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SKU: 15322654112

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Lucy Mejia
Port Orchard, US
★★★★★ 5
So will not write down your foot
Size: Medium, Color: (001) Black / Black / Castlerock
I love these socks. They have a little bit of gel on the top of the heel for support in your tennis shoes and so your socks don’t write down. Very good quality.
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Reviewed in the United States on May 6, 2026
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Twins9
Birmingham, US
★★★★★ 5
Comfy and Stay Put
Size: Medium, Color: (002) Black / Black / Halo Gray
These socks are honestly great. They’re super thin and light, so once you have them on, you kind of forget they’re even there. No bulky feeling in your shoes at all. The best part is they actually stay on. I hate no-show socks that slide down after five minutes, and these don’t do that. The little grip on the heel really works, so you’re not constantly adjusting them all day. They’re breathable too, which is nice if your feet run warm. They dry fast and don’t get that gross sweaty feeling. And there’s no annoying seam on the toe, so nothing rubs or feels uncomfortable. Basically, they’re just comfy, stay put, and don’t cause problems — which is all I want from socks.
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Reviewed in the United States on January 16, 2026
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swwkennyg
Chelsea, US
★★★★★ 5
Perfect sucks
Size: Medium, Color: (001) Black / Black / Castlerock
Wonderful socks . The weight is perfect !! These do not slip when in a shoe they stay out !!
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Reviewed in the United States on April 14, 2026
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Monica Alzate
Battle Creek, US
★★★★★ 4
Amazing but quality changed
Size: Large, Color: (002) Black / Black / Halo Gray
Love these socks so much, been buying them for about 4 years now!! Not giving them 5 stars anymore because the quality is different and not as good, durable and thick as before.
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Reviewed in the United States on July 10, 2025
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Heather260
Draper, US
★★★★★ 5
The best no show socks
The only no show socks I have ever found that do not slide down. These are very comfortable and the extra tab on the back provides comfort by keeping shoes from rubbing the back of your foot. The top of the sock also comes up high enough to cushion the top of your foot all while still remaining hidden while wearing tennis shoes or even with my hey dudes.
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Reviewed in the United States on November 30, 2025

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