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Water Test KitsWater Test Kits

Water Test Kits

An Aquarium is a mini ecosystem in itself, which encloses different type of life forms within its confines. It is important that the quality of aquarium water is high for a sound growth and development of the inmates therein. The key quality parameters include the right levels of Ammonia, Calcium, Iron, Nitrate, Phosphate, pH, and Water Hardness. Even a slight disturbance in any of these may prove stressful, weakening, and even toxic for your aquarium members. Water Test Kits help you regulate the water quality fluctuations by indicating the existing level of any or all of these elements in the water. A weekly use of these Water Test Kits is ideal for a regular checking of a tank’s Biological Filtration efficiency in eliminating Ammonia from the system. Fresh Marine brings to you a wide array of Water Test Kits to help you maintain the right water quality in your tank.

Ammonia Test Kits. With life happening in an aquarium, release of Nitrogenous wastes, including Ammonia, in aquarium water is a normal phenomenon. This Ammonia may be present in any form, toxic, Ammonia (NH3), or less toxic, Ammonium (NH4+). Now, excess of Ammonia in aquarium water can kill the Fish and the Beneficial Bacteria (present in Bio-Filters) in an aquarium. Regulation of Ammonia level is especially vital in Marine Aquarium with Ammonia toxicity inducing 8.1-8.4 pH, rather than a Freshwater Aquarium with 7 pH. These Water Test Kits, meant for Freshwater as well as Marine Aquariums, indicate the total amount of Ammonia in the water. Some Ammonia Test Kits also have a Conversion Scale for the calculation of the toxic Ammonia quantity in the water. Keep checking the Ammonia level at different points of time during the day. The Water Test Kits also reflect the pH fluctuations associated with the Ammonia level in the aquarium water.
  • Products. Ammonia Mini-Lab Test Kit by Red Sea; Ammonia Test Kit for Freshwater, and Fresh & Saltwater by Hagen; and Water Test Kit by Laguna Ponds.


  • Calcium Test Kits. Calcium is a much-needed element in a Marine or Reef Aquarium, as Corals, Calcareous Algae, & many other invertebrates need it for their growth & development, and to stay attached to their exoskeleton or Shell made of Calcium Carbonate (CaCO3). The high consumption of Calcium may result in the decline of Calcium level from the desired 450 ppm, leading to its deficiency in the water. Therefore, it is vital that the Calcium Level is regularly checked, ideally on a weekly basis, with the Calcium Test Kits so that if needed, the required measures are taken.
  • Products. Calcium Test Kit by red Sea; and Calcium Test Kit for Fresh & Saltwater by Hagen.


  • Complete Test Kits. These all-in-one Water Test Kits measure all the vital parameters of water quality, Ammonia, Nitrate, & Nitrite, Calcium, Iron, Nitrate, Phosphate, pH, & Water Hardness, in a Freshwater or Marine Aquarium.
  • Products. Ocean Master Test Kit, & Reef Master Test Kit, both by Aquarium Systems; Marine Lab Test Kit, & Reef Lab Test Kit, both by Red Sea; Reef Master Test Kit; Saltwater Liquid Master Test Kit, & Aquarian Freshwater Master Test Kit, both by Aquarium Pharmaceuticals; Master Test Kit (Contains 10 Test Parameters), & Mini Master Test Kit (Contains 5 Test Parameters), both by Hagen; and Water Test Strips, & Water Test Kit, both by Laguna Ponds.


  • Iron Test Kits. Iron is vital for the proper growth and development of aquarium animals. Though Iron reaches aquarium through salt mixes, but this Iron is soon exhausted by the system, especially catalyzed by Kalkwasser, and is then eliminated via Precipitation and Oxidation. Therefore, gauging total Iron levels, including Chelated and Free Iron, in aquarium water is vital in order to eliminate any deficiency chances.
  • Products. Copper Mini-Lab Test Kit, & Silica Test Kit, both by Red Sea; and Iron Test Kit for Fresh & Saltwater by Hagen.


  • Nitrate Test Kits. Ammonia level in aquarium water gets high when its inmates release it as a toxic Metabolic Waste, or when it is generated for edible consumption, or when it is a by-product of the decomposition of Organic substances. The Nitrosomonas Bacteria, present in the aquarium, act on this toxic Ammonia to convert it into harmful Nitrite (NO2). Nitrobacter Bacteria then acts on this NO2 to further convert it to comparatively less toxic Nitrate (NO3). This whole process is called Nitrification. For a healthy aquarium system, it is important that it is denitrified. Nitrate Test Kits measure the Nitrate concentration in a system, which help you shortlist the required denitrifying method.
  • Products. Nitrate Mini-Lab Test Kit by Red Sea; Freshwater / Saltwater Nitrite Test Kit by Aquarium Pharmaceuticals; Nitrite Test Kit for Fresh & Saltwater, & Nitrate Test Kit for Fresh & Saltwater, both by Hagen; and Water Test Kit by Laguna Ponds.


  • pH kH Test Kits. pH is a measure of the degree of acidity in water by comparing the amount of Hydrogen and Hydroxide Ions present in it. More the quantity of Hydrogen Ions, higher the acidity of water, and lower its pH. Even a small change of pH can cause them breathing problem. In addition, high acidity can damage their Skin, Gills, and even Eyes. kH or Carbonate Hardness is the measure, in degrees (dKH), of the ability of a solution to absorb and reduce the effect of added acid, without changing its pH. Carbonates (KH or Alkalinity), coupled with Trace Elements, Calcium, Strontium, and Magnesium, encourage the proper growth and the development of Coral & the beneficial Coralline Algae, while also stabilizing the pH of aquarium water. A right KH / Alkalinity level boosts the immunity of fish and other invertebrates present in your aquarium. pH kH Test Kits measure the respective pH kH levels in your aquarium.
  • Products. pH/Alkalinity Mini-Lab Test Kit by Red Sea; pH Low Range Test Kit for Freshwater, pH High Range Test Kit for Fresh & Saltwater, & pH Wide Range Test Kit for Fresh & Saltwater, all three by Hagen; and Water Test Kit by Laguna Ponds.


  • Phosphate Test Kits. Phosphate is a naturally occurring element and is one of the basic building blocks of all the living cells, including some undesirable ones, such as, unwanted algae in an aquarium. Reef Aquariums house excessive Phosphate, which may result in unsightly, and disturbing, prolific algal growth. Phosphate also reduces the aquarium levels of Calcium and Magnesium, important elements for the growth of Corals. Therefore, it is crucial that the extra Phosphate is removed from the aquarium water to maintain its correct level in there.
  • Products. Phosphate Mini-Lab Test Kit by Red Sea; and Phosphate Test Kit for Fresh & Saltwater by Hagen.


  • Water Hardness Test Kits. KH or Carbonate Hardness is the measure, in degrees (dKH), of the ability of a solution to absorb and reduce the effect of added acid, without changing its pH. Carbonates (KH or Alkalinity), coupled with Trace Elements, Calcium, Strontium, and Magnesium, encourage the proper growth and the development of Coral & the beneficial Coralline Algae, while also stabilizing the pH of aquarium water. A right KH / Alkalinity level boosts the immunity of fish and other invertebrates present in your aquarium. Therefore, KH should be measured regularly to keep it leveled in the aquarium water.
  • Products. Laguna Ponds Water Test Kit.


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