Free Shipping!
Limited time only. Save 15% on orders $149 and up
with code JUNELA15
SEE DETAILS »

Narrow Your Results:

Categories
Special
Brand
Minimum Aquarium Size
Care Level
Temperament
Lighting
Color Form
Diet
Family
Genus
Max. Size
Origin
Species
Tank Setup
Water Conditions
Reproduction
Sale Items
Lake Regin
See all refinements

Hard Water

275 products
Water Softener Pillow
(5466)
Starting at $5.09
…soft water conditions in the home aquarium Achieve ideal general hardness level in your freshwater aquarium. API Water Softener Pillow effectively reduces GH (general hardness) by lowering calcium and magnesium. Helps protect sensitive soft water tropical fish from hard water. Also eliminates…
Proper pH Water Conditioner
(4531)
Starting at $8.29
…in the water. This haze is the precipitation of some of the mineral salts. It is nontoxic and will be filtered out by most aquarium filters. This haze can be avoided by first softening aquarium water with API Water Softener Pillow (DFS# 71260). Use the Water Softener Pillow to reduce water hardness,
SeaSquirt Feeder
(4218)
Starting at $15.99
…your hands and arms out of the aquarium to minimize water contamination and cuts, bites, or stings.Directions for use:Keep out of reach of children. Sharpened object. Before using the SeaSquirt for the first time, rinse it in warm running water, and then dry the SeaSquirt with a paper towel. It is…
Black Gamecock
(Iris louisiana 'Black Gamecock')
Starting at $8.99
…grown in full sun and in slightly acidic soil. Pot in 5-gallon containers and set in water up to 3 inches over crowns in full sun to part shade. They should not be left outside in the winter in areas of hard freeze, but can be left in place in non-freezing ponds. Louisiana Irises need to be repotted…
Neon Tetra Jumbo
(Paracheirodon innesi)
Starting at $1.89
…the Characidae family thrives in slightly acidic water with stable water parameters. To breed Neon Tetras, separate a pair into a "breeding tank" with no lighting at first, and gradually increase lighting until spawning occurs. Water hardness should be less than 4 dH and live foods such as mosquito…
API GH/KH Test Kit
(5100)
Starting at $8.29
…and KH * Monitor general hardness (GH) and carbonate hardness (KH) for stable aquarium pH * Test and monitor tap water to ensure proper aquarium water parameters Test tap water and freshwater aquariums for general hardness (GH) and carbonate hardness (KH). These two water parameters help maintain…
API 5 in 1 Aquarium Test Strips
(5102)
Starting at $12.99
…time.General Hardness (GH) TestWhat is General Hardness (GH)?General Hardness is the measure of calcium (Ca2+) and magnesium (Mg2+) ion concentrations dissolved in water. These minerals are present in municipal, well, and bottled spring water. The GH in tap water depends on the source of the water
Kent R/O Right Water Conditioner
(4417)
Starting at $7.99
…gallons of water. Medium hardness - 2 teaspoons per 10 gallons. Hard water - 3 teaspoons per 10 gallons.Liquid: 1-5 teaspoons per 5 gallons; depending on the hardness of water.Dosage:For soft water - 1/2 teaspoon per 10 gallons of water. Medium hardness - 2 teaspoons per 10 gallons. Hard water - 3…
Scarlet Livebearer (Pair)
(Micropoecilia picta)
Starting at $7.99
…Scarlet Livebearer originates from mildly brackish waters in canals and drainage ditches at the edges of swamps. As such, the Scarlet Livebearer prefers hard, alkaline water conditions and may not thrive in aquariums with acidic or soft water. In the home aquarium, a minimum of a teaspoon of…
Electric Blue Ram
(Mikrogeophagus ramirezi)
Starting at $11.99
…are lacking or when tending to their eggs. Impeccable water quality is also a must. The Rams breed in soft to medium hard water with a neutral pH and slightly raised water temperatures between 77° and 82°F. Peat should be added to the water. Both the male and female share the rearing of the fry,…
Dwarf Sagittaria
(Sagittaria subulata)
Starting at $3.59
…and can grow above the water level. Its unstemmed leaves will grow to form dense clusters. It is an amphibious plant, and will grow either partially or fully submersed. The Dwarf Sagittaria is a completely undemanding plant that can withstand hard water as well as water with a surplus of organic…
Anacharis
(Egeria densa)
Starting at $2.89
…they require regular additions of fertilizer and a moderate amount of light. With the addition of CO2 fertilization, they will thrive in even hard water. The Anacharis is an excellent nutrient controller and oxygen producer for all types of freshwater aquariums and is also a suitable plant for use…
Betta - Female
(Betta splendens)
Starting at $3.49
…colored in shades of vibrant hues unparalleled among freshwater fish. Second, this member of the Belontiidae family is hardy when kept in ideal water parameters. Finally, despite their seemingly delicate beauty, Betta splendens requires simple care, which makes them a favorite of both beginning…
Blonde Tux Guppy (Pair)
(Poecilia reticulata)
Starting at $5.99
…body.The Blonde Tux Guppy requires a tank with at least 20 gallons of water, and is very tolerant of changing tank conditions. Plants should be hardy varieties such as Java Fern and Java Moss that can handle the increased hardness in the tank. Other peaceful fish would make good tank mates.The…
Glowlight Tetra
(Hemigrammus erythrozonus)
Starting at $1.79
…breed Glowlight Tetras, separate a pair into a "breeder tank" with no lighting at first, and then gradually increase it until spawning occurs. Water hardness should be less than 4 dKH and live food such as mosquito larvae are great inducers. Be sure to remove the adults after the eggs have been…
DFS22