Green water

Green Water
Contents:
Green water... Remedied! (Story)
by fields-doug-at-cs.yale.edu (The Admiral) (31 Oct 1993)
Green Water (was Re: Forget hatching brine shrimp).
by patbob-at-sequent.com (Patrick White) (Tue, 5 Jan 93) ...

Excess wastes
Green water is usually due to either a significant excess of light (particularly direct sunlight), or a major water quality problem. Although it may look terrible, it is not toxic to fish.
Cure
Blocking out light completely ...

Green water
Green unicellular algae will sometimes reproduce so rapidly that the water will turn green. This is commonly called an "algae bloom" and is usually caused by too much light like direct sunlight.

Green Water Algae
This is an algae that floats in the water column. If you do not take care of it your tank will soon be green water.

Green water (algae bloom)
This is the most common problem if the cloudy situation extends beyond 10-14 days. Note that "green water" (GW) is not always green in appearance! ...

Green Water - Free floating single celled green algae that thrive under high lighting and nitrates. Reduce nitrate levels and lighting. Increase oxygen levels. Don't bother with water changes, as these can actual enhance algal blooms.

[edit] Green water
See Green Water
[edit] Hair algae
Hair Algae is dark green in appearance, and can grow up to an inch or more. It is easily removed by hand or by twirling a toothbrush around it.

~ Green Water ~
Question: I have just performed a water change to my 230l tank, and the water has turned into a greenish hue. Nitrate levels are okay, I tested them. Could you tell me why this has happened? Will it harm the fish? - Therese ...

We used the 'green water' method to rear the larvae. In this case phytoplankton is added to the rearing tank.

People recommend green water as the best food for daphnia. I would have to say that I mainly agree with this, but I think that bacteria are just as nutritious. I haven't bothered feeding green water to daphnia since 1998 so draw your own conclusions.

In order to understand the phenomenon of green water, one has to understand the Nitrogen Cycle. This cycle occurs naturally in all ponds, natural or man made, as well as aquariums. Let us further examine this important topic.

Green water is very useful in the raising of daphnia and brine shrimp.
Film algae
Grows on the aquarium glass and forms a thin haze. Easily removed by wiping the glass. Considered normal with the higher light levels needed for good plant growth.

Algae outbreaks (attached, or free-floating in the form of "green water&"), cloudy water (gray or smoky appearance from free-floating or swimming bacteria), fungus on food particles at the surface of the substrate, etc.

Green water
See the section devoted to Green water in problems areas of the site
Hardness
A measure of the assorted chemicals and other compounds dissolved within the water solution.

Those who REALLY want to try to culture brine shrimp should get a large open top container (an aquarium, a garden tub, a baby wading pool), fill it with real or synthetic salt water and seed it with some green water and nutrients (fertilizer tabs or ...

a green water). It can be hung right on the back of the tank just by the tubing, but this might kink the tubing eventually, so I made a custom plumbing kit out of PVC. This also allows me to easily move it from tank to tank if need be.

Green Water (Suspended Algae)
Green water is easily cultured. Simply take a jar of aquarium or aged tap water and leave it in a sunny spot. Add some algae from the aquarium and add a few drops of plant fertilizer.

The two main uses for Ultraviolet light in ornamental fish culture are as "clarifiers" to reduce green water algae in ponds, and as "sterilizers" to reduce waterborne pathogens in aquariums.

Green water and the tiniest amount of egg yolk (hard boiled) are very suitable for the first couple of days. I then add vinegar eels to this diet and maintain this feeding for a good week.

you only need to chuck some green water in every day/other day
In the summer it is mainly asexual reproduction (cloning) by the females as it's quicker so more can be pumped out to quickly populate the area but in the winter dont try farming them as ...

Green water for the first 3 days is my choice of initial micro-food. From this point onwards I feed the fry a combination of microworms and newly hatched brine shrimp.

This is used extensively in ponds to help with algae and green water. Treatment of diseases in aquariums requires the most amount of exposure.

You can also take some green water and use it as a base culture to grow your infusoria from since green water always contain infusoria.

The most common cause of green water in your aquarium is direct sunlight hitting your tank or a very bright sunlit room. The first step is to reduce or eliminate the sunlight that is hitting your aquarium or entering the room.

You can fill the container with either synthetic or real salt water and add some green water and nutrients. Once the water turns a yellowish green, add either baby or adult shrimp and just wait.

The plants are extraordinary food for the vegetarian fish, they also provide shelter and prevent green water.

Because we created the pond more towards the end of summer, we have never been troubled by green water. Which is due to algae growth. This is more likely to happen in ponds that are started in spring. Although spring is a good time to add plants.

For example to most aquarium owners, green water represents a serious algae problem. However, if such conditions are provided for the fry of some species, such as mollies, growth can be quite spectacular.

They help prevent green water by competing with the algae for nutrients in the water. Plants absorb carbon dioxide and wastes and add oxygen to the water.

green water; this is caused by the widespread growth of microscopic algae, generally unicellular, which can move around with the help of a flagellum. In a natural setting, these constitute phytoplankton.

While general anti-parasite treatments are effective with most parasites, they do not treat all parasites. Sometimes, for various reasons such as under-dosing, water chemistry, organic pollution or green water, treatments do not work.

in a 20% transmittance reduction for the quartz sleeve into the formula, and represent the lamp's operating performance when new and at the end of useful life (60%). This compensates for loss of UV radiation traveling through turbid green water and ...

The fry will immediately leave the nest, to find spots in the tank to hang from. There they will stay until the yolksac has been depleted. At that time they should be fed large amounts of green water.

Tall vats full with green water were bubbling with airstones, and small, laboratory vessels were put under light, containing various FW and SW phytoplankton cultures, food for the zooplankton live food they also raise.

If they have spawned, the Glow Light Tetra eggs normally require about a day before they will hatch. The fry are raised on "green water" or planktonic algae, or other foods appropriate for very small fry.

See also: Water, Green, Fish, Aquarium, Plants