How to Test Calcium in Aquarium

How to Test Calcium in Aquarium

To keep your saltwater reef aquarium healthy, you want to maintain optimal calcium levels to ensure the health of your fish and corals. An optimal calcium range (350-450 ppm) is vital for coral calcification and skeletal formation. Calcium should be checked weekly at...
Moisture in Antibiotic Ointment

Moisture in Antibiotic Ointment

Topical medications are remedial, drug-containing substances that are generally applied to surfaces of the body. Topical medications come in a variety of forms which include creams, lotions, gels, patches, and ointments. Ointments, specifically, are highly viscous...
Monitoring Sodium Chloride in Olive Brine

Monitoring Sodium Chloride in Olive Brine

Olives have been coveted throughout history both as an edible fruit and for the health beneficial oil that is pressed from them. The edible olive has been cultivated for at least 5,000 years and today is one of the most widely cultivated fruits in the world. Olives,...
Does your TDS Meter Measure Up?

Does your TDS Meter Measure Up?

How Total Dissolved Solids (TDS) and Electrical Conductivity (EC) Measurements can impact your Reverse Osmosis Deionized (RODI) filters in your aquarium? A healthy aquarium begins with quality water. Oftentimes tap water in many parts of the world is not well suited...
The Basics of Spectrophotometry

The Basics of Spectrophotometry

Color is everywhere in our daily lives. Did you know you can actually measure color? The spectrophotometer is an essential tool for biologists and technicians when analyzing chemical and biological samples. This blog will look at some basics of spectrophotometry and...
Measuring pH in Stormwater from Construction Sites

Measuring pH in Stormwater from Construction Sites

Urban areas tend to have large amounts of impervious surfaces, resulting in large volumes of runoff. As stormwater flows over these impervious surfaces, chemicals, pollutants, debris, and sediment are gathered. This pollutant and nutrient-rich stormwater ultimately...
The Basics of Home Hydroponic Systems

The Basics of Home Hydroponic Systems

The term hydroponics means ‘working water’, stemming from the Latin word for water, “hydro”, and labor, “ponos”. This subset of hydroculture involves growing plants without the use of soil, and instead using a nutrient rich water solution. This blog will look at some...
Soil pH and Nutrient Testing Options Explained

Soil pH and Nutrient Testing Options Explained

The characteristics of soil pH and Nutrient pH play an important role in the health of a plant. For commercial gardeners and hobbyists alike, the measurement of soil pH can help one better understand the availability of nutrients, permeability of the soil, and the...
Measuring the pH of Isotonic Buffer Saline

Measuring the pH of Isotonic Buffer Saline

In hospitals, intravenous (IV) solutions, such as saline or prescription drugs are commonly administered to patients for various therapies. IVs are used to deliver medications, replace fluids, balance electrolytes, and many other treatments. Since the solutions are...
The Science of a Quality Home Brew Beer

The Science of a Quality Home Brew Beer

Water is universal to life and, well, beer. While water makes up a large portion of plants, animals, and the Earth, it also makes up to 90 to 95% of your final home-brewed beer (depending on the style, of course). When water is your main ingredient, it becomes...
Importance of Water Quality in Beer

Importance of Water Quality in Beer

At the heart of every cold beer is the world’s greatest resource, water. It not only affects the flavour but also impacts the amount of chemicals necessary in order to achieve the 5.2 pH in mash, and throughout the entire brewing process. Understanding the quality of...
How to Test Nutrients Using the GroLine HI9814 Meter

How to Test Nutrients Using the GroLine HI9814 Meter

Designed especially for hydroponic, aquaponic, and greenhouse growers who need to test pH, EC, TDS and temperature, the Hanna Instruments GroLine HI9814 is a combo meter that measures all four of these parameters. The GroLine HI9814 is waterproof, easy to use, and...
Temperature Measurement of Prepared Foods

Temperature Measurement of Prepared Foods

Infrared energy (IR) refers to the invisible thermal radiation that is emitted naturally from all objects. IR comprises the part of the electromagnetic spectrum that falls between radio waves and visible light. Sir Frederick William Herschel was the German-born...
Aquascaping: The Art and Science of Aquariums

Aquascaping: The Art and Science of Aquariums

The natural world is widely used as a source of inspiration for countless works of art. Some of the world’s most well-known artworks illustrate nature to convey the artist’s message. Art can manifest itself in a variety of forms, some more conventional than others....
Using Turbidity to Monitor Produce Rinse Baths

Using Turbidity to Monitor Produce Rinse Baths

Lettuce is a leafy vegetable grown for consumption that is commonly used in salads and sandwiches. Lettuce was first grown by the ancient Egyptians for production of oil from its seeds, and is now grown worldwide due to its versatility and use in global cuisine....
pH meter Calibration – Top 5 Tips to Consider

pH meter Calibration – Top 5 Tips to Consider

pH meter Calibration Reliable pH measurements are essential to virtually any process or industry, from soil to wastewater. Measuring pH plays a crucial role in determining the quality of water, soil, and more. A vital step in getting accurate results is calibrating...
8 Best Practices for Using Your Hanna Marine Checker

8 Best Practices for Using Your Hanna Marine Checker

Testing the levels with your Hanna Checker – like alkalinity, calcium, nitrite and more – may seem to be a cut-and-dry process, but there are a lot of small things that can happen during testing which negatively impact your results. Follow these best practices when...
Water Quality Monitoring in Freshwater Fish Farming

Water Quality Monitoring in Freshwater Fish Farming

Fish are among the most valuable foods for many cultures in the world. More recently, more and more people are including fish in their diet as a source of lean protein. As the appetite for fish grows, so does the strain placed on natural waters. Many of the fisheries,...
Top 10 Mistakes in pH Measurement

Top 10 Mistakes in pH Measurement

Proper technique in pH measurement is a matter that is a bit hazy among some of our users. Questions like “how often should I calibrate?,” and “how often should I replace my electrode?” are commonplace for anyone starting a pH measurement process. The team at Hanna...
The Significance of Pool and Spa Water Testing

The Significance of Pool and Spa Water Testing

Pool and Spa Water Testing: In swimming pool treatment, disinfection or sanitising is essential to rid the pool of bacteria and control nuisance organisms like algae which may occur in the pool, filtration equipment, and piping. There are a number of available...
The Limits of Color-Change pH Tests

The Limits of Color-Change pH Tests

We measure pH for a variety of reasons. From preventing pool water from irritating our skin and eyes, to making sure fermented foods are safe to eat, and many other reasons, a well-maintained pH level is critical to many things we do and use daily. Because pH is so...
Measuring Water in Biodiesel

Measuring Water in Biodiesel

Biodiesel is a fuel that is composed of the esters of naturally-derived fatty acids. It can be used as a standalone fuel in combustion engines, or blended in with conventional petroleum diesel. The benefit of using biodiesel over petroleum in combustion systems is...
Determination of Chloride in Cement

Determination of Chloride in Cement

Determination of Chloride in Cement Concrete is a common material used in the construction industry. It is used to build roads, buildings, dams and swimming pools, to name just a few applications. Concrete is a mixture of aggregate (crushed stone), cement, and water....
The Science Behind Kombucha Brewing

The Science Behind Kombucha Brewing

Brewing kombucha at home is becoming popular as a hobby as people are increasingly becoming more aware and concerned with their health and wellness. If you’re interested in brewing your own version of this fermented tea one of the most important things to keep...
Upgrade Your Water Quality Meter

Upgrade Your Water Quality Meter

Our technical team has put together this guide to our professional water quality meters, process controller, and electrodes to help you find the right instrumentation for your application. Multiparameter pH/ORP/EC/DO/Turbidity Meter | HI9829 Ion Selective Electrodes...
Measuring Free Sulfites in Fruit Juice

Measuring Free Sulfites in Fruit Juice

In the food and beverage industry antioxidants are widely used as preservatives to maintain quality and prevent spoilage. One of the most common antioxidants utilized are sulfites, which are a group of compounds that contain the sulfite ion (SO₃²-). These compounds...
Why Testing Aquarium pH is Important

Why Testing Aquarium pH is Important

One of the most frequently tested and important parameters in aquariums is pH. Whether you are keeping Discus, African Cichlids, or reef aquariums knowing what your aquarium pH range should be  and monitoring it is crucial for success. This short overview will help...
8 Tips on Preparing Your Wine Lab for Testing

8 Tips on Preparing Your Wine Lab for Testing

We all know that getting accurate measurements is crucial in wine production. The last thing you need while working in your wine lab is to realize halfway through that you’re missing something from your supply or that a piece of equipment isn’t working...
Guide to Measuring pH of Foods

Guide to Measuring pH of Foods

Are you measuring pH in food products? How confident are you in the accuracy of your results? More and more people in the food industry are being required to test pH for both safety and quality reasons. Advances in technology mean that you don’t need to be a...
The Importance of Measuring Turbidity in Water

The Importance of Measuring Turbidity in Water

Turbidity of water is an optical property that causes light to be scattered and absorbed, rather than transmitted. The scattering of light that passes through a liquid is primarily caused by suspended solids. The higher the turbidity, the greater the amount of...
Calcium Chloride in Canned Vegetables

Calcium Chloride in Canned Vegetables

Description: Food preservation has been performed for thousands of years in many different ways, and it continues to evolve with advancements in science and technology. Techniques such as salting and curing date back to medieval times, where newer methods include the...
Measuring the pH of Sushi Rice

Measuring the pH of Sushi Rice

Sushi rice needs to be kept warmer than room temperature for best results when rolling sushi. However, this can create food safety risks which have caused health departments to crack down on practices around the handling of sushi rice. Most guidelines require that the...
The Benefits of Fertigation and Irrigation Control

The Benefits of Fertigation and Irrigation Control

Irrigation – the process of artificially applying water to plants – has been in practice since as early as 6000 BC. There have been many advances in irrigation since then, and today’s technologies have made it easier than ever to control water flow as well as...
Testing for Surfactants and Quats with Titration

Testing for Surfactants and Quats with Titration

Whether you may be aware of it or not surface-active agents, or surfactants, have many essential uses in our everyday lives. They’re found in everything from our laundry detergent to motor oil. How Surfactants Work Before we can talk about measuring surfactants, it’s...
Guide to Chemical Oxygen Demand (COD) Testing

Guide to Chemical Oxygen Demand (COD) Testing

Chemical oxygen demand (COD) is a critical waste treatment measurement in everything from municipal systems to food manufacturing waste streams. Performing COD testing the right way is important in determining wastewater treatment effectiveness and can help diagnose...
The Ultimate Guide to Testing Soil pH

The Ultimate Guide to Testing Soil pH

Ever wonder what else you can do to help your plants thrive? Try testing the pH of your soil! Robust plants start from the ground up, and maintaining healthy soil is the first step towards a successful crop. This all-encompassing guide will help anyone who is just...
Measuring pH During Cheese Production

Measuring pH During Cheese Production

Cheese is a versatile food that is valued worldwide for its high nutritional value and long shelf life. Cheeses are typically made from the coagulation and fermentation of milk from livestock mammals such as goats, sheep, or cows. There exist hundreds of cheese...
Monitoring Humidity in Greenhouses

Monitoring Humidity in Greenhouses

An important aspect of agriculture and, more specifically, humidity in greenhouses. Since greenhouses are enclosed, they are subject to variations in humidity that aren’t present in open air growing environments. Too much or too little humidity, like water, can cause...
pH of Mascara

pH of Mascara

Description For many years, cosmetics have been used to enhance features, achieve certain styles, and help individuals stand out. As early as 4000B.C. the Egyptians used kohl, a ground mineral, to darken their lashes, brows, and eyelids. Today, mascara is used to...
Determining Salt in Food

Determining Salt in Food

There are a number of ways to measure and analyze salt in food. Here’s a breakdown of why we need salt in food, the affect it has on our health, and the different methods used to measure it. Scroll down to read the entire article, or click on a point below to...
5 Tips for the Most Accurate pH Measurements

5 Tips for the Most Accurate pH Measurements

1. Keep electrode hydrated Ideally, pH electrodes should be kept in a storage solution when not in use. Placing the electrode in a small glass filled with storage solution is suitable. An option for pocket meters is to place a small piece of sponge into the meter ’s...
Why Does Aquarium Temperature Matter?

Why Does Aquarium Temperature Matter?

Aquarium temperature is often the first thing many home aquarium owners will test for and is critical for maintaining healthy fish. Different types of inhabitants live within different temperature ranges. Whether you are keeping a reef tank, goldfish, or tropical...
The Importance of Measuring pH in Milk

The Importance of Measuring pH in Milk

The measurement of pH in milk is important in testing for impurities, spoilage, and signs of mastitis infection. While there are a number of factors that affect the composition of milk, pH measurements can help producers understand what might be causing certain...
Monitoring Moisture Content in Spices

Monitoring Moisture Content in Spices

Over the past few years, with the popularity of cooking shows, there has been an increasing trend of people experimenting more with flavours and tastes. One way that people experiment in the kitchen is through the use of spices and herbs. Considering the International...
Acidity in Wines

Acidity in Wines

Acidity in wines Acids give wines their characteristic crisp, slightly tart taste.  Acids occur naturally during the growing of grapes and as a part of the fermentation process. Natural acids have the freshest, purest acid tastes. Among grapes they are tartaric, malic...
Digital Testing for Saltwater Aquariums from Hanna

Digital Testing for Saltwater Aquariums from Hanna

Whether you are maintaining your main reef tank or trying to give your frag tank the proper calcium dosage, using the digital readout from the Hanna Instruments Marine Checkers HC (Handheld Colorimeter) makes testing your tank levels so much easier. Keep reading to...
Refractometers in the Production of Soft Drinks

Refractometers in the Production of Soft Drinks

Soft drinks are known by many names and come in many flavours: lemon-lime, strawberry, orange and more! Regardless of its name or flavour, the sugary solution is enjoyed by both young and old around the world. The soft drink is made sweet by a variety of sugars or, in...
Preparing a Soil Sample for Nutrient Analysis

Preparing a Soil Sample for Nutrient Analysis

Not sure how to prepare a sample for pH and EC/TDS testing (Nutrient Analysis)? Follow these steps, or watch the video below! Step 1: Gather your materials. You will need: A container cleaned with distilled or DI water A measuring cup A fresh sample of your soil...
Acid Content of Metal Pickling Baths

Acid Content of Metal Pickling Baths

As far back as 1350 B.C, civilisation has valued the strength and durability of steel. Steel is an alloy, or a mixture of metal and other ingredients, made from iron and carbon. Typical steel alloys have a carbon content of around 2.1%. Steel finds use in a wide...
Measuring Acidity of Natural Water by Titration

Measuring Acidity of Natural Water by Titration

In the past 75 years, the worldwide human population has increased from approximately 2.5 billion to over 7 billion people. Population increase, the resulting increase in use of natural resources, and anthropogenic (human) produced waste have significantly impacted...
Which Kind of Automatic Titrator is Best for You?

Which Kind of Automatic Titrator is Best for You?

Titration is a chemical analysis technique used in many different industries, from dairy farms to metal plating shops and more. Manual titrations are simple, but they are time consuming and not always accurate or consistent. Automatic titration methods can ease these...
Determination of Sulphur Dioxide in Wine

Determination of Sulphur Dioxide in Wine

Description: Sulphur dioxide (SO2) is a widely used additive in the wine industry to prevent against oxidation and microbial spoilage. As an antioxidant, it helps to preserve the colour, flavour, and stability of a wine. Sulphur dioxide serves as antimicrobial by...
Fluoride Measurement in Drinking Water

Fluoride Measurement in Drinking Water

The use of fluoride as an additive to drinking water has been a highly debated topic for over 70 years. Although fluoride occurs naturally in many water sources, it is often added to water supply systems to provide health benefits to the public.  While the positive...
Chemical Oxygen Demand (COD) in Caustic Wastewater

Chemical Oxygen Demand (COD) in Caustic Wastewater

Testing the wastewater at any manufacturing site is paramount in ensuring the water released into the waste stream meets the required standards. If the quality of effluent water does not meet predetermined standards, hefty fines can be issued by local, state, or...
Bentonite in wine

Bentonite in wine

As a winemaker working in a world where many consumers base their purchases off of looks alone, the right colour and clarity of your product can make or break your brand. Several steps are required to transform grapes off the vine to the crystal clear wines found on...