Chemistry

Start measuring salinity in your tank and get alerts when out of range. Buy this probe if you are: Replacing an old probe. Adding salinity monitoring to your system via a PM2.

Reborn is back to it's original size & formulation.  Large size pieces. Reborn® coarse aragonite media for calcium reactors is composed of fossil skeletons of reef building corals sustainably harvested from pristine sites in the Western...

This refractometer does come with a black or blue protective case. The new Milwaukee MA887 Seawater Digital Refractometer encompasses 3 different types of user selected scales for the measurement of seawater providing for a much more precise evaluation...

Meet the new 4-part Complete Reef Care, providing hobbyists with more convenience at no extra cost, and ensuring optimal coral growth and vivid colors with only one test per week!  Our long-term research has revealed that in most reef systems...

Standard portable meters with no frills! Milwaukee’s low cost durable meters for quick and reliable measurements.  Milwaukee’s Standard meters are manufactured to be easy to use, practical and accurate. Ideal for the classroom,...

The HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The HI96822 displays results in three popular measurement units: Practical Salinity Units (PSU), salinity in parts per...

The HI98121 is a waterproof pH, ORP and temperature meter. The housing of this tester has been completely sealed against humidity and is designed to float. Electrode replacement with the stainless steel round connector means there are no pins to bend or...

American Marines PINPOINT pH Controller. PINPOINT pH Controller is an inexpensive yet rugged controller, which includes the appropriate probe and calibration fluids. This device will automate another electrical device such as a calcium reactor or...

Bulk Pharma Calcium Chloride - Ultra Pure Calcium Additive for your Reef Tank! Bulk Reef Supply 2-part additives are the perfect solution to replenish the intake of calcium and alkalinity coral consumes when it grows. Using only pharmaceutical...

The benefits of using Vitachem Marine: Increased growth Increased resistance to disease Great for Reef Aquariums, Corals, Filter Feeders and Breeders Omega-3 Enhanced Rapid fin regeneration Fabulous intense natural colors Pre-stabilized...

Bulk Magnesium Chloride - Ultra Pure Magnesium Additive for your Reef Tank! Keep your reef balanced - Use with BRS Pharma Magnesium Sulfate Maintaining proper magnesium levels helps achieve the essential balance of calcium and alkalinity in your tank...

Concentrated KH Buffer Supplement for All Marine Fish and Reef Aquaria Overview Alkalin 8.3P is a multi-component automatic buffer that regulates pH, unlike sodium carbonate its use makes for a much more stable aquarium. Eliminates pH and KH...

772 CheckerThe HI772 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure alkalinity in degrees of calcium hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides...

Ultra-pure Kalkwasser for Reef Tanks! BRS Pharma Kalkwasser is not your typical calcium hydroxide. It is made from an ultra-pure source that contains extremely low amounts of aluminum and compared to traditional kalkwasser you can actually see the...

Professional ICP seawater laboratory analysis.  The chemical elements of the seawater sample are analyzed using ICP-OES. In addition, other measurement methods are used to analyze other important parameters and nutrient concentrations. A sample...

Ideal for large changes in alkalinity levels or daily dosing in aquariums with high pH.  Bulk Pharma Sodium Bicarbonate - Ultra-pure Alkalinity Additive for your Reef Tank! Bulk Reef Supply 2-part additives are the perfect solution to...

Hanna Instruments HI98130 Combo pH/EC/TDS/Temperature Tester (High Range) Streamline your water analysis with the Hanna Instruments HI98130, a high-precision, 4-in-1 pocket tester designed for high-range measurements. This professional-grade device...

Take the guesswork out of water testing with the Hanna Instruments HI98129, the industry-standard "Combo" tester. Engineered for professionals in hydroponics, aquaculture, water treatment, and laboratory research, this 4-in-1 pocket meter provides...