SKU: 29740629272

Red Sea Marine Care Test Kit

Sale price$685.80 Regular price$762.00
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Description

Red Sea Marine Care Test KitRed Sea Marine Care Test Kit (pH, Alk, NH4, NO2, and NO3) Red Sea Marine Care Test Kit is used to monitor the nitrate, nitrite, ammonia, pH, and alkalinity levels in marine aquariums to ensure optimal water conditions for aquatic organisms. The Red Sea Marine Care Test kit includes all of the main kits you need to run a healthy marine aquarium, allowing you to easily monitor the nitrate, nitrite, ammonia, pH, and alkalinity levels. Buying all of the

Red Sea Marine Care Test Kit (pH, Alk, NH4, NO2, and NO3)

Red Sea Marine Care Test Kit is used to monitor the nitrate, nitrite, ammonia, pH, and alkalinity levels in marine aquariums to ensure optimal water conditions for aquatic organisms.

The Red Sea Marine Care Test kit includes all of the main kits you need to run a healthy marine aquarium, allowing you to easily monitor the nitrate, nitrite, ammonia, pH, and alkalinity levels.

Buying all of the kits in one handy box saves you money, and because they're from Red Sea, you can rest assured that they'll be just right for your marine aquarium or reef so you can keep the water in tip-top condition.

The easy-to-use tests come with simple instructions and color charts so you can accurately monitor all the important parameters during the biological maturation period of marine and reef aquariums and for the ongoing maintenance in any saltwater aquarium.

Introduction to pH & Alkalinity:

The pH is a very important parameter in the biology of aquatic organisms. It is a measure of the acidity or basicity of the water. The scale runs from zero to 14. Zero is the most acidic, 7 is neutral and 14 is the most basic. A change of 1 pH unit, for example from 7 to 6, means that the water gets 10 times more acidic.

Due to its chemistry, salt water is able to absorb a certain amount of acidic matter without a resulting change in pH. The substances in the water that do this are called buffers. The ability of water to withstand changes in pH is called buffer capacity. Based on a method of measuring buffer capacity it is referred to as the alkalinity of seawater. In some of the literature, alkalinity is termed Carbonate Hardness or KH Carbonate Buffer. This is exactly the same measurement as is measured in the Alkalinity Mini-Lab Test.

pH and Alkalinity

The pH of natural seawater varies geographically in the world's oceans between 8.1 and 8.4. On a local scale, the pH is however remarkably stable. This is due to dissolved buffers (mainly bicarbonates), which prevent pH changes. Because of the enormous volume of the ocean, a nearly inexhaustible stock of buffers is present: the sea can take up large amounts of acids, without a noticeable change in pH.

Compared to the sea the volume of a marine aquarium is very limited and therefore the alkalinity is also limited. As fish produce acid waste products and as the buffering substances are used up by calcareous algae and invertebrates, the buffer capacity may become so low that the pH could suddenly fall. This would be very dangerous to all organisms in the aquarium.

The alkalinity is measured in so-called mil-equivalents of alkaline substances (for example sodium bicarbonate) per liter. These alkaline substances have the power to prevent pH drops. The alkalinity of natural seawater is approximately 2.5 mil-equivalents per liter. This level should also be maintained in the marine aquarium.

A common symptom of an unsuitable pH is pH stress. Especially in the marine aquarium, unsuitable pH values are very stressful to fish and increase the chance of the fish being susceptible to disease (marine white spot).

Ammonia (NH4)

This top-quality marine test kit includes three bottles of ammonia testing reagent, a handy syringe, and a glass vial in which to run the tests. The kit measures the total ammonia for marine aquariums. Any reading of 0.25ppm or above of total ammonia indicates a level of toxic ammonia which will have a negative effect on the fish.

Nitrite and Nitrate (NO2/NO3)

The Nitrate Cycle: Ammonia, produced by fish as a waste product is oxidized by aerobic bacteria in the biological filter: first to Nitrite (NO2-) and further to Nitrate (NO3-). In nature a complete nitrogen cycle exists, where plants utilize Nitrate as a food source, thus maintaining the very low Nitrate level found in unpolluted water. In the aquarium, we create a one-way system rather than a nutrient cycle.

The Red Sea Nitrate and Nitrite test allows you to test the nitrate and nitrite levels within your marine aquarium, making the water just right for your fish and inverts.

This high-quality kit is aimed specifically at marine fish keepers and reef aquarium owners and includes two bottles of reagent, a syringe, and a glass vial. The kit measures the total nitrate and nitrite for marine aquariums for effective water quality management.

Shipping Notes
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Exchange/Return Notes
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SKU: 29740629272

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J-Man
Lexington, US
★★★★★ 5
Nice Tray
Color: Black
Nice tray!
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Reviewed in the United States on October 16, 2025
L
L K
Lexington, US
★★★★★ 5
Versatile and decent size
Color: Black, Color: Black
I love little trays for random things. I saw this and had to get it. I ordered the black one. It came nicely packaged in a box that protected it from any damage during transport. It is approximately 8” x 8” x 1.6.” It is made of faux leather and MDF. It is supposedly water-resistant, but I have tested that. The interest in smooth, while the exterior walls have vertical ridges. The bottom is smooth. It’s heavy enough so it doesn’t side around. I have used it for numerous things: jewelry, pens and notepads, keys and sunglasses, perfume, medications, change, remotes, and change. It’s a handy and modern piece that could suit most people.
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Reviewed in the United States on December 11, 2025
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loumarjr
San Leandro, US
★★★★★ 5
Small Valet Tray Nightstand Organizer (Black)
Color: Black, Color: Black
I really love the leather look of this valet tray. It’s both stylish and functional, giving a classy touch to my nightstand while keeping small items neatly organized. The PU leather finish feels smooth, looks high-end, and the construction feels sturdy. Pros: Elegant PU leather design with a textured finish Compact 8x8 inch size fits perfectly on nightstands, dressers, or desks Multi-purpose — great for keys, watches, jewelry, remotes, or glasses Water-resistant surface makes it easy to wipe clean Adds a decorative touch while being practical Makes a thoughtful and stylish gift Cons: The sides are a little low, so bulkier items may slide out Only available in limited colors compared to some other organizers Overall, this is a really nice valet tray. It looks more expensive than it is, keeps my essentials in one place, and adds a clean, organized look to my space. Definitely worth it if you like the leather aesthetic!
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Reviewed in the United States on September 20, 2025
R
Rainstorm
Natrona Heights, US
★★★★★ 5
Fits many trinkets and looks good
Color: Black
Simple little organizer for trinkets. Easy to snap together into a box shape and holds keys, pens, vapes, and other bits and pieces. My partner is happy I ordered it!
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Reviewed in the United States on October 4, 2025
R
R
Lexington, US
★★★★★ 4
Excellent one
Color: Black, Color: Black
Build These valet trays are perfect for placements on nightstands, sofas, end tables, etc. They are very compact and unobtrusive. Their size is ideal for holding daily essentials without taking up excessive space, and blending seamlessly with various decor styles. Material Constructed with a soft and durable synthetic surface, the tray is gentle to the touch and provides a wipeable and easy to clearn finish. The black color complements any decor and the materials prevent damage to surfaces they are put on. Functionality These trays serve as excellent catch-alls for remotes, phones, earbuds, glasses, jewelry, watches and other small items, helping keep sofas, nightstands and tables organized and clutter-free. The sturdy, level construction ensures stability, and the trays hold essentials like phones, TV remotes, and personal accessories effectively. Value for Money (VFM) Given their functionality, design, and affordability, these valet trays offer good value. They enhance organization without compromising style and are suitable for various rooms in the home. Will definitely recommend them.
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Reviewed in the United States on September 30, 2025

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