SKU: 26076593111

Seachem Replenish

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Description

Seachem ReplenishSeachem Replenish Seachem Replenish is used to restore and maintain General Hardness (GH) in aquariums by replenishing necessary minerals removed by reverse osmosis or deionizing filtration. Restore and maintain GH Replenishes necessary minerals removed by RO DI Necessary to prevent osmotic stress and osmotic shock Replenish is a proprietary blend of salts designed to replenish physiologically relevant minerals that are removed by reverse osmosis or

Seachem Replenish

Seachem Replenish is used to restore and maintain General Hardness (GH) in aquariums by replenishing necessary minerals removed by reverse osmosis or deionizing filtration.

  • Restore and maintain GH
  • Replenishes necessary minerals removed by RO/DI
  • Necessary to prevent osmotic stress and osmotic shock

Replenish™ is a proprietary blend of salts designed to replenish physiologically relevant minerals that are removed by reverse osmosis or deionizing filtration. Replenish™ restores General Hardness (GH) using a balanced blend of both “soft” (sodium, potassium) and “hard” (calcium, magnesium) salts. Restoration of mineral content is essential since a complete lack of minerals will result in osmotic stress in those species whose osmoregulation systems are adapted to a mineralized environment. Severe osmotic stress can result in osmotic shock which will lead to rapid death.

To restore GH in the planted aquarium, we recommend Seachem Equilibrium™.

DIRECTIONS

Add 5 mL (1 capful) Replenish™ to 40 L (10 US gallons) to raise GH by 1 meq/L (2.8 dGH). Recommended restoration level into DI or RO water is 1-2 meq/L which is 5 mL per each 20-40 L (5-10 US gallons.)

GH RATING GUIDE (MEQ/L)

0-1: Soft
1-2: Moderately Soft
2-3: Slightly Hard
3-4: Moderately Hard
4-6: Hard
6+: Very Hard

INGREDIENTS

calcium chloride, magnesium chloride, sodium chloride, potassium chloride

GUARANTEED ANALYSIS (PER 1 G)

Calcium (min): 13.00%
Calcium (max): 14.00%
Magnesium (Min): 1.20%
Potassium (Min): 0.12%
Sodium (Min): 0.60%
Sodium (Max): 0.70%

OSMOTIC STRESS AND RESTORATION OF GH

Osmotic stress and shock occurs when fish are kept in water with inadequate mineral levels (too high or too low). Osmotic stress affects more seriously fish whose natural habitat is rich in minerals and who are kept in an aquarium with a low mineral level, as osmotic gradients (difference) between the internal fluids of the fish and its surrounding environment (water) increase. Such fish have a less effective osmoregulation than those who are physiologically adapted to water with a low mineral level. That is why they are not able to cope with overloading of osmoregulation.

Osmotic shock can be a result of a breakdown in osmoregulation due to inappropriate chemical composition of the water. It can also be caused by increased permeability of the skin resulting from a disease or trauma. Osmoregulation enables fish to maintain the proper balance of salt and water in the body, which is necessary to create optimal conditions for various physiological and biochemical processes. In all fish species osmoregulation developed in a way that enabled them to maintain the proper balance of salt and water in the water with chemical composition found in their natural habitat. If osmoregulation is disturbed due to adverse conditions (osmotic stress) or a sudden change in the chemical composition of water (osmotic shock), fish might not be able to physiologically cope with it. Chronic osmotic stress can eventually result in fish’s death and osmotic shock can cause death very quickly.

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 26076593111

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Michelle C
New York, US
★★★★★ 5
Great product!
Style: Zig Zag, Size: 28 inch
Great product! Sturdy, easy to install, and modern look.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 5, 2026
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Cuba, US
★★★★★ 5
18 months later
Style: H-shape, Size: 38 inch
Legs seem decently thick. They could be a little sturdier. The paint has stayed with no chips or flakes. Color has not faded. It sits at the perfect height for a desk. Screws and hardware do the job. No welds to speak of, everything screws together. I’ve used these for a year and a half as a school desk and has held up well. I took a sheet of project board with stain and polyurethane as my top. Works excellent
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Reviewed in the United States on March 8, 2026
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The Shark
Natrona Heights, US
★★★★★ 5
Gonna like these!
Style: Zig Zag, Size: 28 inch
Well done! Substantial legs that look great for a very reasonable price! Will absolutely purchase again for next project. Just can’t beat the price for the quality.
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Reviewed in the United States on December 5, 2025
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Curtis W
San Leandro, US
★★★★★ 4
Very sturdy legs!
Style: Zig Zag, Size: 28 inch, Style: Zig Zag, Size: 28 inch
The legs are very well built and good looking, however, the screws included for installation are only 9/16" long which is not nearly enough for table legs of this size. I installed the legs on a 30" x 83" live edge oak tabletop that is full 2" thick. I purchased 1 1/4" screws for the install making the table very solid.
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Reviewed in the United States on April 15, 2025
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Dave M.
Battle Creek, US
★★★★★ 5
Heavy duty. Looks nice.
Style: Zig Zag, Size: 28 inch
These are great. They are VERY heavy duty. I used them with a butcher block counter to make a desk. Worked perfectly.
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Reviewed in the United States on February 20, 2026

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