Chemistry

At Two Little Fishies the big picture has always been about Little details. That’s why we’ve made a new synthetic seawater mix like no other. We call it AccuraSea1. AccuraSea1 is formulated to simulate natural seawater, and it’s...

Enriched formulation. Optimum effectiveness. Formulated specially for use in reef aquariums, Reef Crystals contains essential ocean reef elements in concentrations greater than those found in natural sea water. Extra Calcium to help ensure the...

Instant Ocean® Sea Salt is the most carefully formulated and universally preferred sea salt in the world. The #1 choice of hobbyists, public aquariums, and scientific research facilities, Instant Ocean Sea Salt has set the industry standard for...

HI70004P/H17007P/HI0010P are premium quality pH 4.01/7.01/10.01 calibration buffer solutions. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line...

Another American Marine first. ORP/REDOX calibration fluid. With a precise measurement of 400mV this calibration fluid is included with every PINPOINT® ORP Monitor and PINPOINT® ORP Controller. Occasional retesting with this fluid will keep your...

Fritz ProAquatics Reef Pro Mix (RPM) is manufactured using only the highest quality raw materials. Formulated by researchers and marine scientists, RPM contains all of the necessary major and minor elements of natural sea water that are utilized by...

The HI98103 Checker pH tester has been designed with many advanced features while maintaining the look and feel of the original Checker. The redesigned Checker now offers automatic calibration to one or two points, automatic buffer recognition,...

THESE ARE THE NEWLY UPDATED REAGENTS.  Now 1x powder and 1x liquid.  The testing process is the same as Alkalinity HI772 with one second liquid reagent. The HI783 Marine Magnesium Checker HC is a handheld colorimeter that uses the Beer-...

The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a 10 ml level mark to measure the appropriate volume. The HI731315 includes 2 cuvettes and 2 caps. 10 ml level mark for...

Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read. Includes reagents for 25x tests. The HI758...

Now Includes a Prepaid USPS First Class Shipping Label + Testing is Now Done in the USA! The results of this test provide you with the most detailed analysis of marine aquarium water you've ever seen, enabling you to understand exactly what's missing,...

This is the new reagents set with 1x Powder, 1x Liquid. These Reagents are for use with the HI783 Marine Magnesium Checker. These high-quality reagents are manufactured at the Hanna state-of-the-art facility and are clearly marked with...

DŌS Replacement Pump Head Cap for your Neptune Systems DŌS module.  Complete assembly includes cover, peri-tube, fittings and roller wheel. Neptune Systems recommends that these be replaced approximately every 700 hours of pump run time.

The Fauna Marin Reef ICP Total Test gives a quick, accurate, and easy overview of over 90 water values in reef aquariums. From macro elements to trace elements and pollutants, you get a complete overview with corresponding dosage and action...

200 gallon box, contains four individually packed 50 gallon bags. At Two Little Fishies the big picture has always been about Little details. That’s why we’ve made a new synthetic seawater mix like no other. We call it AccuraSea1. AccuraSea1...

KH/Alkalinity Supplement Carbonate & buffer complex for balanced formation of coral skeleton It’s all in the balance Calcium, Magnesium, Strontium and Carbonate are the basic foundation elements of coral skeletons.All of these elements...

HI70010P is a premium quality pH 10.01 calibration buffer solution. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration buffers...

Fully synthetic marine salt created for cultured corals. Its formula is designed to create the best conditions for marine animals. The micronutrients and macronutrients contained in the formula fully fulfill the demand of corals for proper growth and...

This refractometer does not come with a case or battery. 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. Each...

Magnesium is present in NSW in a fairly high concentration (1300 - 1400 mg/L). Magnesium is an essential part of chlorophyll, which is necessary for photosynthesis. Without photosynthesis plants, including algae and the corals, which we usually have in...

Get your replacement reagents for your HI701 Free Chlorine Checker® HC today. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for...

Overview Brightwell Aquatics Lugol’s is an extremely powerful iodine solution. It should only be used by advanced reef aquarists to dose iodine as well as to create a dip for corals and their allies. The importance of iodine in a reef aquarium...

Get accurate water testing results with the HI781 Marine Nitrate Low Range Colorimeter. With a digital read out, there is no more struggling to determine colors visually. This nitrate tester's compact design fits in your pocket or stores easily in...

Reef Fusion 1™ and Reef Fusion 2™ are the foundation of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1™ provides calcium, while Reef Fusion 2™ provides alkalinity. When used together, the Reef...

Pure, pharmaceutical grade sea salt containing all trace elements found in natural seawater. From (osmosis-) water to seawater. Tropic Marin® Sea Salt CLASSIC is made up of all of the macro elements and trace elements in a...

FREE ON ORDERS OF $20 or MORE! For safe and precision transfer of liquids, can be used in many occasions, like testing aquarium water, extracting essential oils, mixing fragrance, and homemade beauty products, watercolor painting, science experiments,...

Red Sea Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium, Carbonates) necessary for sustainable, accelerated coral growth. Red Sea Salt is ideal for reef aquariums, in particular for LPS...

HI70024P is a premium quality 35.00 ppt salinity calibration solution that is NIST traceable and contained in portable single-use sachets. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring...

Fritz ProAquatics Reef Pro Mix (RPM) is manufactured using only the highest quality raw materials. Formulated by researchers and marine scientists, RPM contains all of the necessary major and minor elements of natural sea water that are utilized by...

Foundation Pro Multi test kit High accuracy titration tests for the accurate measurement of theFoundation elements Calcium, Magnesium and Alkalinity (KH) It’s all in the balance Red Sea’s FOUNDATION PRO Multi Test Kit includes high...

Complete Bioculture for Establishing Biological Filtration & Rapidly Improving Water Quality Overview Complex system of non-pathogenic aerobic and anaerobic microbes, as well as natural enzymes, specifically formulated to establish biological...

Tropic Marin® All-For-Reef Powder is an ultra-concentrated mineral blend, with which an easy-to-use, highly concentrated all-round solution for supplying all key minerals and trace elements in newly established and averaged reef aquariums...

HI70004P is a premium quality pH 4.01 calibration buffer solution. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration buffers have...

Extreme Accuracy. Easy to Test in 4 Steps - Zero the Checker, Add a regent to your water sample, Insert the Vile in the Checker, Read the Numbered Results. BOOM EASY. ZAIR. Zero, Add, Insert, Read. Includes reagents for 6x tests. The Hanna...

The HI98107 pHep® is an easy-to-use pH water tester that makes monitoring water quality simple. This accurate pH tester features 0.1 resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device...

Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration procedure.  Over the course of a couple months, it is...

Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration procedure.  Over the course of a couple months, it is...

Phosphate also blocks or retards the growth of corals and calcareous algae. One of the scientific studies shows that a phosphate concentration higher than 0.05 mg/L decreases the growth of calcareous algae by 90%! Washing fish food, which is a rich...

Prime® is the complete and concentrated conditioner for both fresh and saltwater. Prime® removes chlorine, chloramine and detoxifies ammonia. Prime® converts ammonia into a safe, non-toxic form that is readily removed by the tank’s...

Easy-to-use tests for the accurate monitoring of all of the important parameters during the biological maturation of marine and reef aquariums NH3/NH4 | NO3 | NO2 | pH | KH Red Sea Marine Care Test Kit is Complete multi-test pack including all of...