SKU: 3880953855

API GH and KH Test Kit for Freshwater Fish and Plant

Sale price$168.75 Regular price$187.50
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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16

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Description

API GH and KH Test Kit for Freshwater Fish and PlantAPI GH and KH Test Kit for Freshwater Fish and Plant API GH and KH Test Kit for Freshwater Fish and Plant is used to measure the general hardness (GH) and carbonate hardness (KH) of aquarium water to help replicate the natural habitat of freshwater fish and plants. When keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat. The API GH & KH TEST KIT helps you

API GH and KH Test Kit for Freshwater Fish and Plant

API GH and KH Test Kit for Freshwater Fish and Plant is used to measure the general hardness (GH) and carbonate hardness (KH) of aquarium water to help replicate the natural habitat of freshwater fish and plants.

When keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat. The API® GH & KH TEST KIT helps you duplicate the natural habitat of your fish to prevent stress, keeping them healthy!

Sizes

Contains 2 test bottles, easy-to-ready instructions, and glass test tubes

FAQ

What is Carbonate Hardness (KH)?

Carbonate hardness, also known as alkalinity, is the measure of carbonate and bicarbonate concentrations dissolved in water. These minerals are present in municipal, well, and bottled water. The level of carbonate hardness in tap and bottled water depends on the source of the water and the treatment processes it has undergone. Carbonate hardness helps stabilize pH in the aquarium. An aquarium with a low KH level will tend to be acidic. Aquariums with very low KH are subject to rapid pH shifts if not monitored carefully. Water with a high KH level usually has a high pH.

What is General Hardness (GH)?

General hardness is the measure of calcium and magnesium ion concentrations dissolved in water. These minerals are present in municipal, well, and bottled spring water. The level of general hardness in tap and bottled water depends on the source of the water and the treatment processes it has undergone. Hard water is high in calcium and magnesium, while soft water is low in these minerals.

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Exchange/Return Notes
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SKU: 3880953855

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Mani B
Houston, US
★★★★★ 5
Soft and lightweight
Soft and lightweight. Both cooling and warming side works
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Reviewed in the United States on May 19, 2026
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Tricia
Draper, US
★★★★★ 5
Very comfy
Color: White, Size: King(106"*90")
Perfect blanket for hot sleepers! And soooo soft
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Reviewed in the United States on May 2, 2026
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Miss E
Draper, US
★★★★★ 4
Comforter
Nice and cooling but bigger color looks more yellow
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Reviewed in the United States on May 2, 2026
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Nic Murrell
Bozeman, US
★★★★★ 5
Hot sleepers need this
Color: Haze Blue, Size: King(106"*90")
i love this, im a very hot sleeper but this has been a game changer for me at night, its so soft and breathable i can sleep at night without waking up so hot. it doesnt hold odor and for the price of this its so worth it, i wish they had different colors cause light colors stain easier but i love the one i got.
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Reviewed in the United States on May 17, 2026
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Kendra embrey
Waukegan, US
★★★★★ 5
Cool and looks good
Color: Haze Blue, Size: King(106"*90")
Looks really nice and cooling. We love it!
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Reviewed in the United States on May 26, 2026

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