Like plants, algae also use the energy of sunlight for the process of photosynthesis but algae are found to devoid of the root, stem as well as the leaves. Algae capture more and more of the sunlight for the production of the oxygen.

In darkness, however, all plants consume oxygen, including algae. Algae blooms in natural water bodies or fish ponds normally produce much more oxygen in the daylight than they consume during the night, but some situations reduce the amount of oxygen a bloom produces without reducing its nighttime oxygen consumption.

The ocean produces oxygen through the plants (phytoplankton, kelp, and algal plankton) that live in it. These plants produce oxygen as a byproduct of photosynthesis, a process which converts carbon dioxide and sunlight into sugars the organism can use for energy.

The overgrowth of algae consumes oxygen and blocks sunlight from underwater plants. When the algae eventually dies, the oxygen in the water is consumed. The lack of oxygen makes it impossible for aquatic life to survive.

As you know, algae produce the highest levels of oxygen in the planet and can capture carbon dioxide. so we can use this ability to reduce carbon dioxide and produce more oxygen.

A dissolved oxygen level that is too high or too low can harm aquatic life and affect water quality. Fish and crustaceans obtain oxygen for respiration through their gills, while plant life and phytoplankton require dissolved oxygen for respiration when there is no light for photosynthesis.

You could leave it it will not kill your fish but today there are just way better ways for filtration. Just some stuff to think about. If you see your fish are having a hard time swimming you have to much flow, you also don’t want your plants coming up rooted.

Having Gold Barbs in an aquarium isn’t stressful at all because they can adapt to any water conditions and don’t require anything except for food. They can be found in free-flowing streams so they live with a high flow current.

How to tell if you have too much flow? One easy way to tell if you have too much water flow in the tank is the corals will not open up properly. They will usually stay closed up.

As Troi stated, too much flow can cause mechanical damage. I had a powerhead blowing at a big anubias.

Fleshy corals can be killed my too much flow. I tend to go very high (25x or more) flow and then hide my fleshy stuff in low flow pockets. Keeps the fish active, detritus from settling, and sps polyps waving in the breeze.

Wrasse and SPS Lover Bare bottom there’s no such thing as too much flow.

For the most part, all SPS corals prefer high water flow aquariums.

No sps likes to be the direct path of high flow. If the acro doesn’t have full polyp extension,could be too much flow.

How to feed SPS corals – Foods, Additives and other Goodies. Corals require nutrients. It seems the best source of coral food is happy fish doing what fish do after they eat: poop. So the best coral food is simply any good fish food that is enjoyed by your fish.

The general consensus is that a PAR of 450-650 umol is good to maximize the color for most of our sps. In my own experiment this summer where I set up a tank so that it would receive direct sunlight for 4-6 hours per day, during this time the light PAR on the tank reached over 1250 umol.

Hammer Head Coral. These are corallimorphs: Hairy mushrooms. There aren’t any SPS in your system.

Pectinia Coral

Next choose some easy species — with the Bubble coral being the easiest LPS and Montipora capricornis the easiest SPS.

Green Slimer, Red Planet, most valida and milli species have been easiest for me. The ORA varieties are a good bet, as is anything from a local reefer that has a history of captaive growth and hardiness. Smooth skins/deep water are usually a bit more challenging to acclimate and get established.

Aggression occurs in corals as a result of their constant battle for survival. Corals have to cope with currents, predation by fish and other invertebrates, as well as competition from neighboring corals for light, nutrients, and food.

When I expose corals to air, they release slimy mucus. Generally corals release mucus under stressed conditions such as defense against biofouling, pathogens, UV radiation, sedimentation, pollutants, and desiccation. Even water currents and temperature or salinity changes can be a cause of mucus release.

Nudibranchs include more than 3,000 species of sea slugs that feed off coral. Besides coral, these animals eat sponges, barnacles, eggs and other small marine animals — including one another.

Why do we not stop crown-of- thorn outbreaks? They might be natural. Generally, an important distinction between barrier and fringing reefs is that barrier reefs: Primary production is very high in coral reefs but low in surrounding waters.

Dissolved oxygen is important to many forms of aquatic life. Dissolved oxygen is necessary to many forms of life including fish, invertebrates, bacteria and plants. Bottom feeders, crabs, oysters and worms need minimal amounts of oxygen (1-6 mg/L), while shallow water fish need higher levels (4-15 mg/L)⁵.

What is dissolved oxygen? Just like animals and humans living on land, animals that live in water need oxygen to survive. Oxygen from the atmosphere dissolves in river and lake water, and it is this oxygen that fish and other aquatic animals use to breathe.

Dissolved oxygen concentrations below 5 mg/L may be harmful to fish and piping (gulping air at the surface) may be observed when DO falls below 2 mg/L. Emergency aeration should be supplied whenever DO falls below 4 mg/L or environmental conditions favor an oxygen depletion event.

Fish growth and activity usually require 5-6 ppm of dissolved oxygen. Dissolved oxygen levels below 3 ppm are stressful to most aquatic organisms. Levels below 2 ppm will not support fish at all.

Rs = R / M, where M is the molecular weight of the gas. Example reading:1 Pa = 1 N/m = 10 bar = 10.197×10 at = 9.8692×10 atm, etc. Less oxygen dissolves at high elevations (Mount Everest)compared to low elevations (sea level) because the atmospheric pressure is less and thus the partial pressure is lower.

Total dissolved solids (TDS) is measured as a volume of water with the unit milligrams per liter (mg/L), otherwise known as parts per million (ppm). According to the EPA secondary drinking water regulations, 500 ppm is the recommended maximum amount of TDS for your drinking water.

Oxygen concentrations are much higher in air, which is about 21% oxygen, than in water, which is a tiny fraction of 1 percent oxygen. Cold water can hold more of any gas, in this case oxygen, than warmer water.

Adequate dissolved oxygen is necessary for good water quality. As dissolved oxygen levels in water drop below 5.0 mg/l, aquatic life is put under stress. The lower the concentration, the greater the stress. Oxygen levels that remain below 1-2 mg/l for a few hours can result in large fish kills.

The quick answer is that the colder a liquid, the more gas it can dissolve or “contain” as you aptly put it. So a cold glass of water has more oxygen stored in it than a warm glass. So for hot water, which is less soluble than cold water, the dissolved oxygen is released.

Fast-moving water generally has more oxygen than still water, because the movement mixes the air into the water. Water with lots of aquatic plants have higher levels of dissolved oxygen, since submerged plants produce oxygen through photosynthesis.

The temperature and salinity of water influence how much oxygen it can hold. Freshwater can hold more dissolved oxygen than saltwater because saltwater has less space for oxygen molecules due to the sodium and chloride ions it contains.

Cooler air is more dense than warmer air. Warm air can actually hold more moisture because molecules are farther apart, making more room for moisture. Cold air is dense and compact; it’s “thicker,” so when you breathe in you get more oxygen. They get more oxygen and it’s easier to cool their bodies.

Everyone’s oxygen levels in the blood are lower during sleep, due to a mildly reduced level of breathing. Also, some alveoli drop out of use during sleep.

Cold weather, and particularly cold air, can also play havoc with your lungs and health. Cold air is often dry air, and for many, especially those with chronic lung disease, that can spell trouble. Dry air can irritate the airways of people with lung diseases.

Breathing through your nose is more effective in warming the air before it reaches your airways. During extreme hot or cold temperatures, be even more committed to using all medications and oxygen as ordered by your physician.

According to the American Lung Association’s State of the Air report for 2018, these are the top-ranked cleanest cities in the United States:

• Cheyenne, Wyoming.
• Urban Honolulu, Hawaii.
• Casper, Wyoming.
• Bismarck, North Dakota.
• Kahului-Wailuku-Lahaina, Hawaii (tied)
• Pueblo-Cañon City, Colorado.
• Elmira-Corning, New York.

Cold, dry air is a common asthma trigger and can cause bad flare-ups. That’s especially true for people who play winter sports and have exercise-induced asthma. Hot, humid air also can be a problem.

Certain drinks may be beneficial in managing asthma symptoms. For example, caffeinated drinks, fortified milk, and water may reduce airway constriction.

A small study suggests that the best room temperature for people with asthma is between 68 and 71°F (20 and 21.6°C). This air temperature is mild, so it won’t irritate the airways. Additionally, an indoor humidity level between 30 and 50 percent is ideal.

Read on to learn more.

1. Sit up straight. Sitting upright can help keep your airways open.
2. Remain calm. Try to remain as calm as you can while you’re having an asthma attack.
3. Steady your breathing. Try to take slow, steady breaths during your attack.
4. Move away from triggers.
5. Call 911.

Asthma symptoms that start in childhood can disappear later in life. Sometimes, however, a child’s asthma goes away temporarily, only to return a few years later. But other children with asthma — particularly those with severe asthma — never outgrow it.

Vicks Vaporub is a topical medicine designed to relieve cough in cases of the flu and colds. It is considered safe for kids age 2 years and older, provided you follow the package directions carefully. However, Vicks will not relieve an asthma cough in a child with asthma.

There’s no cure for asthma. However, it’s a highly treatable disease. In fact, some doctors say today’s asthma treatments are so effective, many people have near-complete control of their symptoms.