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When you go to the fish store, you see a bunch of new fry that are very healthy, active, and hungry, but when you buy them and put them in your tank, after a few days you will find that the fish hide and don't want to eat. On 5th and 6th, some fish will turn black. About 1 to 2 weeks later, some fish will die. At this time, you will not understand why the fish died, or you will think the fish is sick so you mix medicine for the fish, use all kinds of medicine but the results get worse the more you treat it, in the end only a few fish are still lucky enough to survive. When such a situation occurs, it will be inevitable to think that the fish store was dishonest when selling problem fish to you without knowing that sometimes it is your unintentionality that makes you no longer interested in raising lovely fish.

FILL WATER AND RELEASE FISH IS IMPORTANT.

In the process of raising fish, releasing fish and pouring water into the tank is very important, but this step is not given enough attention by fish keepers. Most fish keepers only apply the experience of buying new fish, placing the nylon bag in the tank, waiting for the water temperature in the bag and in the tank to reach uniformity, then putting the fish and water in the nylon bag into the tank.

People often only pay attention to the water temperature and ignore the water quality. For some fish with strong adaptability, there is no problem, but for some fastidious fish, this can be the cause of their death. The water quality is not the same anywhere, for example, the east and west of the same city, even between this area and that area not far apart, the water quality is not the same, especially for fish of imported origin, the water quality is even more different.

PROCEDURES FOR FILLING WATER AND RELEASING FISH

1. Place the fish bag in the water to balance the temperature (20 minutes). 
   
   
2. Let the fish get used to the new water/Acclimate ( ~5 hours )
   
3. Add the new fish to the tank
   
4. Turn off the lights, let the fish rest, do not feed. Only feed after at least 1 day.
   
   FISH WATER CHANGE PROCESS
   Tap water: Tap water is clean and sterile, so its uses are not inferior to rain water. However, if you use tap water to replace fish tank water, you should pour it out first to let the water evaporate and the chlorine will be gone so the fish can live well because the disinfectant in tap water is small particles that are harmless to us but have a significant impact on ornamental fish.
   

Aquatic plants are plants adapted to living in saltwater - freshwater environments. They can live completely in water, partially in water or in moist environments such as mud. The main factors controlling the dispersal of aquatic plants are flood cycles and depth. In addition to other factors such as nutrients, salinity, water wave fluctuations, etc., they also greatly affect the dispersion and development of aquatic plants.
The trend of using aquatic plants on the table to decorate the living - working - fish tank decoration space has been popular with many people recently. Aquatic plants not only have a beautifying effect but also help purify the air to make living and working spaces cleaner and fresher and create beautiful aquariums.

1.Pearl aquatic plant

Pearl is the most popular foreground aquatic plant today, favored by aquarists because of its adaptability, fast growth, and not being picky about the substrate. Pearl is an easy-to-grow aquatic plant that spreads quickly, lives easily, and does not require too much care. Beautiful green color, when the fish tank overflows, creates a green space for the aquarium to become fresh.
When growing Pearl, you need to pay more attention to the quality of the water source. Pearl adapts quite well to many different water environmental conditions, but you still need to change the water regularly to limit moss in the aquarium, as well as to give the plant enough nutrients to grow best. If harmful algae grow strongly, they not only absorb all the nutrients from the plants in the tank, covering the glass surface, but also affecting the ornamental fish in the tank.

2. Buffalo grass

Buffalo grass is an aquatic plant that is loved for its wild beauty. When there is high light and adequate nutrition, the aquatic plant will grow very quickly. These trees connect together and form a lawn.
In aquariums, you will have the opportunity to kill the roots of capillaries stuck in the floor and shoot seedlings from below. The plant can live on land in moist soil and reach a height of up to 20cm.
However, it is difficult to bring them from semi-land into an aquarium where they can live. So when buying fried auculia at the store, pay close attention to this.  The lush green carpet of fried fish is an ideal place for fish to lay eggs, creating better conditions for the fish in your swimming pool and creating beautiful aquariums.

3. Fish Bone

The Fish Bone aquatic plant is a beautiful plant with foliage arranged in the shape of a herringbone. They also tend to grow straight like the Rong La Han plant, but in terms of appearance, the Fish Bone plant is somewhat more beautiful. And this is also an aquatic plant that does not need soil or CO2, it is very easy to live, just needs good lighting conditions and a slightly cool temperature to grow.

4. Dog tail seaweed

Because of its green color and soft appearance, dogtail algae is often planted in the background by aquarists. They grow very quickly and form clumps, so this plant contributes to making the aquarium more natural and beautiful like a mini forest at the bottom of the tank.
This is an aquatic plant with high adaptability, so it can easily adapt to different water environments such as ponds, lakes, and fish tanks, so it is very popular in aquariums. In the countryside, people often pick up this plant from natural ponds and lakes and drop it in a water bowl. The plant can grow well.
In order for the dogtail plant to grow normally, you should also choose the number of plants appropriate to the number of fish raised. At that time, the feces excreted by the fish is enough to provide the necessary nutrients for aquatic plants to grow.

5.Chrysanthemum

Chrysanthemum is a plant that is very easy to grow in aquariums. It grows well in high light conditions and rich nutrient tanks. If additional CO2 is added, the plant will produce beautiful green and spreading leaves. With relatively high growth and good nutrient absorption, Thuy Cuc is also a great candidate for aquariums with overnutrition.
The Chrysanthemum plant is chosen by most new aquarists because of its ease of care, as well as its great beauty, an extremely cool green color, so it is chosen as a plant in the aquarium. Aquarists who often use mixed substrates also often use Chrysanthemum plants to absorb nutrients during the initial stages of setting up the tank. The Water Chrysanthemum plant is really suitable for beginners in aquariums or for plants in newly set up aquariums.

6. Seaweed Chrysanthemum

Seaweed Chrysanthemum has the scientific name Egeria najas (Another name: Seaweed Chrysanthemum) is an aquatic plant that is easy to grow, easy to care for, does not require high nutrition, does not need water flow in the tank but the plant grows quickly so it needs to be pruned regularly, suitable for use in aquariums. 
When you first install new aquariums in your home, the first thing you need to think about is what to plant in the aquarium, other than the plant other than the sycamore plant because it grows very quickly, helping to prevent moss in the tank because the plant will absorb a lot of nutrients in the water and make your aquarium cleaner.

7. Spoonweed

Spoonweed is an aquatic plant that is very easy to grow in aquariums. It grows well in high light conditions and rich nutrient tanks.
If additional CO2 is added, the Spoon Grass will produce beautiful green leaves that spread out. With fairly high growth and good nutrient absorption, Spoonweed is also an excellent aquarium plant for aquariums with overnutrition.

8. Ferns

Ferns are often used in aquariums to decorate driftwood and rock areas. Unlike most other aquatic plants, they can be planted directly in the ground. Ferns are aquatic plants that do not require soil. 
You should tie them to hard substrates or decorative rocks in the tank. Plants also do not require much light and CO2, so they are quite easy to grow and are also an extremely effective living filtration system.

9. Lance tree

This is a popular plant that is easy to see in aquariums and aquariums today. This plant is often used as a very good medium with large leaves that make them the highlight of the tank.
In addition, they are also very easy to grow, do not require too high CO2 levels and grow completely normally in areas with low light levels. This is also the type of aquatic plant in fish tanks that has the leading effect of filtering water for tanks today.

Aquarium water that is cloudy or has layers of moss clinging to the glass not only makes aquarium owners uncomfortable but also affects the growth of fish as well as their ability to resist disease. Therefore, we have researched and implemented a number of methods to make aquariums clear and clean, which have really brought great results. Now we would like to share a little with you!
First, you must know the reason why the fish tank is always cloudy.

Your fish tank is always cloudy like filtered water despite changing the water and cleaning the tank regularly, it could be due to one or more of these reasons:

• Your tank does not have a water filtration system or has a water filtration system but it is not working effectively. This is the main reason why the water is always cloudy even when the water has just been changed. To overcome this cause, you should renovate the filtration system to suit the tank volume and fish density.
• Your water filtration system has adequate pump capacity but the water is still cloudy, so you should check the type of fish tank water filter material you are using.
• Our aquarium does not yet have a stable microbiological system to help decompose impurities and toxic substances in the water.
• Because the fish tank is infected with some fungal diseases such as white fungus, cotton mushroom.. during the reproduction process, these fungi often separate small fungal particles that drift in the water, making the water always milky white and the tank's appearance normal. there is moss. Fix it by: Increasing the tank temperature to 29-30oC because this type of fungus often reproduces and grows in cold environments, especially in winter, so if the temperature increases, they will die and not reproduce. Or you can buy fungicide.

Due to feeding too much food, the fish do not eat it all, the food rots into the water, polluting the water source and always having a fishy smell.

Tank method: Change the water

Impurities generated during the development of fish tanks and aquariums can include: sediment from the tank floor, damaged and rotten aquatic plants, substances secreted from driftwood, rocks, and feces. fish,... these are the main causes that directly impact the water source in the aquarium. The water change plan will be a direct solution to help improve quality, reduce impurities in aquariums and aquariums, making the water clearer and cleaner.

• Advantages: effective immediately, no cost...

• Disadvantage: causes ecological imbalance in aquariums and aquariums, can harm plants and animals in aquariums.

Cleaning the tank

Cleaning aquariums and aquariums is one of the measures that you should do periodically. This will help keep our aquariums cleaner, free from impurities, harmful moss, etc. The aquarium always maintains a balanced and stable state.

Use Purigen 

Purigen is a filter material product with impurity absorption properties. It is not a mixture of ion exchangers or adsorbents, but a unique porous synthetic polymer. This product removes water-soluble and insoluble impurities at a rate and capacity that exceeds all other competing products by over 500%.
Purigen filter media controls ammonia, nitrites and nitrates by removing nitrogen-containing organic waste that would otherwise release these toxic compounds. Purigen's impact on trace elements is minimal. It significantly increases redox. It polishes water for unprecedented clarity. Purigen filter media darkens gradually as it discharges, and is easily renewed by treatment with bleach. Purigen filter media is designed for both seawater and freshwater use.

Inhibits fish eating

Feeding the fish is also very important to keep the water in the aquarium clean and clear. Fish food is one of the main causes of cloudy aquarium water. If we feed the fish too much, the fish will not finish eating and will directly affect the water source. When the food dissolves, the water will become cloudy and dusty. Controlling the amount of fish food is one of the options that will positively impact the ecosystem of your aquarium.

Let's reveal to you some effective fish tank water filtration systems

Overflow filtration: the aquarium filtration system is one of the most important issues for all aquarium hobbyists. Especially for fish that eat fresh food such as Arowana fish and Arhat fish, the water filtration system needs to pay special attention to have a clean aquarium.

Coarse filter: often use filter cotton to retain large impurities in the water such as fish feces, leftover food and suspended residues in the water. This filter is also called mechanical filter. The higher the filter efficiency, the better. The cleaner the water in the tank is. You can use a rain filter to increase the filtering efficiency of this part. Be careful to wash the filter cotton regularly to avoid clogging the filter cotton and causing water to overflow.

Fine filter: fine filter, also known as biological filter, this part of the filter contains filter materials such as ceramic filter, ceramic filter, lava, crushed coral... These are materials with many rooxngnhor holes that are the residence for Microorganisms decompose impurities such as salt (NH4+), (NH3) and (NO3-) which are toxic substances excreted by fish that cannot be filtered by the coarse filter, causing toxicity to fish and causing damage to the fish. The fish tank has a foul smell or fishy. You should supplement microorganisms by regularly adding probiotics to the fish tank periodically every 1-2 months.

Chemical filtration: after going through the above two filtration parts, you need to have a compartment to detoxify the aquarium with filter media such as Activated Carbon, Arsenic filter stone... to detoxify the water.

In addition, it is necessary to supplement probiotics for aquariums
Microorganisms have the ability to produce enzymes that convert pollutants into their food, and these enzymes also create biochemical reactions that cleave bonds in organic matter to create CO2. There are many studies proving that strains of Alcaligenes odorans, Bacillus subtilis, Corynebacterium proponthum, and Pseudomonas aeruginosa have the ability to resolve excess organic substances in water. Among them, Bacillus Subtilis is the most interested and used because it decomposes organic matter rich in protein, liqid, starch, etc. much higher than other strains. One of the best probiotics today is EXTRA BIO.


Light control
Light is a part that affects the growth of moss and harmful substances in the aquarium. This makes our aquariums and aquarium fish unclean and limits the experience of watching aquarium fish. Controlling light will help inhibit the growth of harmful moss, helping the aquarium stay at its most beautiful and develop balance.
Buying genuine aquarium lights will help limit algae problems in aquariums and aquariums.

Raising fish to clean the tank
Raising tank-cleaning fish will make your work easier and more effective. We cannot satellite some narrow and narrow locations inside the aquarium or aquarium. Tank cleaning fish will help us do that job, making the aquarium cleaner and thus the water will be clearer. .

Breeding bettas (also known as Siamese fighting fish) can be a fascinating and rewarding process, but it requires careful preparation and attention to their needs. Here’s a step-by-step guide to breeding bettas:

1. Select Healthy Bettas

If you find a reputable fish breeder to buy a pair of fish, you will be very successful. The resulting fry will resemble the female more than the male, so the female determines the quality of the fry.

• Male Betta: Choose a vibrant, active, and healthy male with good coloration and fin condition. The male should be around 6–12 months old.
• Female Betta: Select a female who is also healthy and has a visible gravid spot (a small dark spot near her abdomen indicating she is ready to spawn).
• Color and Type: Choose fish of similar types (e.g., veil-tail with veil-tail), as crossbreeding different types might not produce desirable results.

2. Prepare the Breeding Tank

• Size: A 10-gallon tank is ideal for breeding, as it gives the fish enough space.
• Water Conditions:
  • Temperature: Keep the water temperature between 78°F and 80°F (25°C - 27°C).
  • pH: A slightly acidic to neutral pH of 6.5 to 7.0 is best.
  • Clean Water: Make sure the water is clean and free of chlorine. You can use a sponge filter or do water changes to maintain cleanliness.
• Separate the Fish: Place the male and female in separate containers within the same tank initially, allowing them to see each other but not physically interact. This will build up their interest and encourage courtship.

3. Condition the Bettas for Breeding

• Diet: Feed both the male and female a high-protein diet, such as live or frozen foods like brine shrimp, daphnia, and bloodworms, for about 1–2 weeks before breeding. This helps condition them for spawning.
• Observation: Look for signs of readiness, such as the female developing a gravid spot and the male flaring his fins.

4. Introduce the Male and Female

• After conditioning, gently introduce the female into the tank with the male, either by letting her swim in or using a divider if you’re unsure about their behavior.
• The male will typically begin building a bubble nest at the surface of the water if he’s ready to breed.
• The female will often respond by displaying vertical stripes on her body, which indicates she is ready to mate.

5. Courtship and Spawning

• Courtship: The male will flare his fins, swim around the female, and show off his bubble nest. He may also chase her, encouraging her to enter the nest.
• Spawning: Once the female is ready, she will swim under the bubble nest, and the male will embrace her in a "tunnel" of bubbles. This is where fertilization takes place. The male will wrap around the female and release sperm to fertilize the eggs as they are released.
• The female will drop eggs, which the male collects in his bubble nest.

6. Post-Spawning Care

• Remove the Female: After spawning, remove the female from the tank to avoid aggression from the male, who will now guard the nest.
• Male Care: The male will take care of the eggs by guarding them and blowing them back into the nest if they fall. The eggs will hatch in 24-48 hours.

7. Hatching and Fry Care

• Fry Development: After 2-3 days, the fry (baby bettas) will hatch. The fry will initially rely on the yolk sac for nutrition.
• Water Conditions: Keep the water clean, with gentle filtration (to avoid disturbing the fry). You can start feeding the fry infusoria (tiny microorganisms) or finely crushed betta fry food once they become free-swimming, around 3-5 days after hatching.
• Male's Role: The male will continue to protect the fry until they are capable of swimming freely and no longer need his assistance. Once the fry are independent, you can remove the male from the tank.

8. Raising the Fry

• Separation: As the fry grow, be sure to separate males and females, as males can become aggressive.
• Feeding: Feed the fry high-quality baby fish food or infusoria, followed by larger foods as they grow.
• Water Changes: Regular water changes are crucial to prevent harmful buildup of waste in the fry tank.

9. Releasing the Fry

• As the fry grow larger, they can be moved to a grow-out tank. By the time they reach around 3 months of age, they should be fully developed and can be sold or rehomed if desired.

Breeding bettas is a delicate process, and it’s important to ensure the health and well-being of both the parents and the fry. Patience and attention to detail will help you successfully breed bettas!

https://www.instagram.com/reel/DFAfAMtTXVz/ Here is an example link :)