Home Crop Monitoring Is Providing Shades on a concrete fish tank necessary? Find out

Is Providing Shades on a concrete fish tank necessary? Find out

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Typically occasions most fish farmers ask “ must I cover a concrete fish tank with something to provide shades on my fish farm? Well, erecting a structure to provide shade for the fish is not necessary because the pond has a way of protecting the fish against the effect of the direct sunlight.

After feeding the fish for a day or two, the water in the pond turns green and this usually serves to protect the fish from access to direct sunlight when next you have the privilege of entering a fish pond either earthen pond or concrete pond, you will discover that the water is always cold. Therefore to me, erecting a shade is indeed an extra cost on pond construction

Meanwhile, many new pond owners are concerned about the effects of sunlight for pond fish. This is an important issue, and the solution will depend on various factors.

Sunlight can be beneficial to your fish, but it can also harm them, and the outcome largely depends on the pond’s construction, location and how it is maintained.

How Sunlight Impacts Pond Fish

When a pond is directly exposed to sunlight without shade the temperature of the water will increase. This increase in temperature will lower the amount of oxygen which is accessible to the fish, while also promoting the growth of algae. Fish which are exposed to excessive sunlight may also receive sunburn.

Each pond is unique in the manner in which it will respond to the sun, and while ponds which are big and deep may not have much of an issue, the smaller ponds which are typically found in backyards may be adversely impacted.

Algae enjoy sunlight and will thrive when exposed to it. If your pond contains koi they should be exposed to no more than a few hours of sunlight per day.  Anything more than this could be problematic for them. The typical pond will receive between four and six hours of sunlight per day.

Sun is the most important renewable energy source nature has given to our world. As a matter of fact, sunlight and heat provide vital energy that sustain live on Earth. Without sun, no life will exist on the planet Earth.

The benefits of the sun are numerous. Both plants and animals benefit immensely from this special gift of nature. As a catfish farmer, I will like to expose other farmers like me to certain things we enjoy from sunshine without notice. Of a truth, your catfish farming business could be affected by the intensity of sunshine.

Read Also: Meaning of Recirculating Aquaculture System (RAS) in Fish Farming

6 Importance of Sunshine for Your Ponds

1) It Acts as Water Color Stabilizer: Color of pond water can change from light green to grey or blackish due to many factors such as overstocking, excessive feeding and poor lightning from the sun. It has been observed that pond water changes color during a period of little or no sunshine.

Even when there is no case of overfeeding/stocking, water still changes color during season of little sunshine especially in pond system. This establishes the fact that heat and light from sun help in stability of pond water.

2) It Enhances the Growth of Water Plants: Growth of plants is made possible and sustained in pond water through sunlight. Energy tapped by plants through photosynthesis is stored in calories. These calories are used up by fishes that feed on them.

Water plants absorb ammonia from the pond to keep pond water habitable for catfish production. By this process, water quality is regulated. Apart from water plants, other plants that are used as inputs in catfish feed depend solely on sun as a source of energy.

3) It Regulates Water Temperature: Tropical catfish perform well in slightly warm water. The heat from sun helps in regulating pond water temperature through direct and indirect means. When the temperature is too low, the ability of catfish to regulate its body temperature will be affected. Evaporation process through heating from sunshine results in rain and cooling of the pond environment.

Rain helps in refreshing and replenishing ground water that supplies catfish ponds. However, to avoid the negative impact of sun heat on the pond, pond water must not be too shallow. Pond water level of between 3-4 feet is recommended except in other system apart from pond system.

4) It Helps Catfish Metabolic Activities: Catfish eats little in the time of low temperature in the tropic. In a situation of low temperature, digestive system of catfish slows down. The growth is less obvious. The length of culturing season becomes longer. Also profit margin reduces.

5) It Supplies Vitamin-D: Sun ray is rich in vitamin D. There is a possibility that catfish can tap this vitamin through their skin like man. From literature, vitamin D from sun is important for bone formation and also helps in absorption of calcium in feed.

6) Ultraviolent Ray from sun helps in water sanitization by killing some water pathogen and leaving some less harmful ones. Pathogen-causing diseases are kept at check by the help of this ray from the sun.

Read Also: The Recommended Feeding Levels for Catfish at a Water temperature of 25-26°C

How To Control Your Pond’s Sunlight Exposure

The best way to manage your pond’s exposure to sunlight is by adding shade. Terrestrial shade can be created by adding marginal plants or trees near the side of your pond.

However, during fall leaves will fall from the tree and will cause serious problems if they are allowed to accumulate in the water, so you will need to perform netting or clean them out. Dwarf Cattail which is planted on the west or south side of the pond will provide excellent shade for the fish.

Aquatic plants can also be used to manage sunlight, and some of the best include water hyacinth or water lilies, which create shade beneath the water that can be used by your fish. The lilies can be planted via plant bags and or baskets and situated in advantageous locations throughout the pond.

An alternative to the planting of trees could be a canopy or manmade structure which will cast shade over the pond. The right canopy can also add style to the area.

Perhaps the easiest solution is fish shelters or caves. The shelters can be placed in the water and will allow the fish to swim beneath or within to get shade whenever they need it, while caves will also perform the same function, although constructing them may be more complex. In addition to protection from sunlight, these structures will also protect your fish from predators.

Never Over Shade The Pond Too

Just as too much sunlight is bad for fish, too much shade is equally so. The most ideal ponds are those which have some areas reserved for sunlight, while others which are reserved for shade. This will give the pond a balanced temperature which will make your fish healthy and happy.

Now let us have a look at the benefits of shading your fiah ponds below:

Benefits of Shading a Pond

1) Slows Algae Growth

Algae growth can become unmanageable in ponds without shade
One of the main reasons to shade a pond is to slow down algae growth during summer when it becomes unmanageable.

Algae grow the fastest during the hottest months when sunlight is the most intense, and if left unchecked, they can quickly take over a garden pond. Ponds in the shade may still have issues with algae, as they can grow with minimal light, but providing shade will help slow down growth making it more manageable.

A partially shaded pond will have much slower algae growth in comparison to a pond constantly exposed to sunlight. Too much algae can become a huge problem for a pond, especially one with koi or goldfish. As algae die off and more start to grow, massive amounts of oxygen are removed from the water by decomposing beneficial bacteria.

During periods of algae blooms this process can reduce oxygen content in the water to dangerously low levels, putting huge stress on fish.

Shade will certainly help slow algae from growing, but if you’re already experiencing a rapid bloom, a more direct approach may be needed to get things under control first.

Read Also: Environmental Factors Affecting Feed Consumption in Fishes

2) Improves Oxygen Levels

High temperatures reduce the oxygen holding capacity of water, meaning ponds will be holding less oxygen during the warmest summer months. Fish also become more active during summer, eating more as their metabolic rates increase.

This increase in activity means the fish produce more waste, and beneficial bacteria will need to work harder to break  down the excess. These bacteria require oxygen to function, just like fish, and may struggle to carry out their job as oxygen content decreases.

Shading a pond from sunlight will help lower the overall temperature and improve the capacity at which water holds oxygen. Algae also grow the fastest during the day, so slowing their growth by blocking sunlight will help improve oxygen for both fish and beneficial bacteria.

3) Makes Fish More Comfortable!

Both goldfish and koi prefer a pond within a specific temperature range, generally between 65 and 75 F degrees. They can certainly survive in much colder or hotter water, but that doesn’t mean it’s ideal for them. Warmer water temperature, along with pH, also has a direct effect on the toxicity of ammonia.

This waste substance is very dangerous to fish, but the majority is safely removed by the beneficial bacteria living in your pond and filter box. Problems may occur during summer where fish produce more waste (ammonia) and temperatures are also high, which causes the ammonia to become more potent.

Shade is just one thing that can help with this issue by allowing water more time to cool down from the sun, and giving bacteria more time to breakdown substances before they can build.

In much smaller ponds, such as preformed ponds, fish can literally boil to death if the water is exposed to constant sunlight throughout the day. Smaller ponds act as insulators, taking in heat and retaining it much more readily than a larger body of water.

Even with aeration, shallow water may not be able to cool down fast enough, so providing shade is essential if you want to keep your fish healthy and happy in a small environment.

Methods to Provide Pond Shade (Top Methods)

Option 1: Pond Plants (Real or artificial)

Shade Amount: Partial Shade

Is Providing Shades on a concrete fish tank necessary? Find out
Both real and artificial pond plants (pictured) can help provide shade and shelter from the sun.

Is Providing Shades on a concrete fish tank necessary? Find outA great natural way to provide shade to pond water is to add pond plants! Both real or artificial plants will be able to provide shade, but only real pond plants will be able to give your water more oxygenation and help with natural filtration.

The best plants for shading water and providing shelter to fish would be water lilies or lotus, as their foliage grows across the water, blocking a large chunk of UV light. Most floating plants would be ideal for adding shade to a pond, and luckily these come in both real and artificial varieties.

If you just want some shade and shelter for your fish during summer, artificial floating plants will provide those benefits without requiring any hands-on maintenance. If you decide to go with real floating plants, it may take some time for them to grow and become established, but the results are fantastic in the long run!

As well as floating plants, marginal plants can also provide partial shade to a pond, creating areas where the water is cooler and less UV light penetrates. These kind of plants are usually added to the sides of a pond, fleshing out the embankments.

A few can grow very tall with lush green foliage, and these provide the best shade to pond water. It’s less common for these kind of plants to have an artificial alternative, so if you don’t want to care for real plants, we recommend sticking with artificial floating types for best results.

On top of shading a pond and helping cool down the water, both types of pond plants also create “safe spaces” on your fish to cover when confused or threatened. Crops present a pure type of shelter which fish love to hold out round when they should loosen up for a few hours away from the solar and all the things else.

Choice 2: Shade Sails

Shade Quantity: Partial-Full Shade

Is Providing Shades on a concrete fish tank necessary? Find out

Not like pond crops which solely present partial shade to the water, shade sails can present as much as full pond shade, and could be altered to fit your wants. These covers are typically constructed from sturdy UV resistant material, typically polyproplyene, and work to dam a great amount of UV mild from penetrating into pond water.

They’re mounted above floor and could be positioned to offer full shade or partial shade to a particular space of water, with most fashions blocking as much as 90% of all UV mild.

When you have significantly sizzling summers and a small fish pond, investing in a top quality shade sail might be the only finest methodology of cooling and shading your water. There is no such thing as a upkeep required when put in, and as a result of quantity of UV mild the fabric can block, it may possibly cut back water temperature by a great amount day by day.

They will even work wonderful in bigger ponds, permitting you to part off a shaded space of pond water on your fish to cover, and giving water a likelihood to chill because it circulates. They will even assist cut back algae progress and deter airborne predators, reminiscent of herons, from taking pond fish.

A draw back is that they’re very noticeable and never one thing you possibly can simply disguise. Shade sails will even block daylight from reaching common pond crops, so that you would wish to ensure your crops can develop in partial shade or place the fabric so the daylight nonetheless hits the crops.

Apart from this, nonetheless, shade sails are in all probability the most effective methodology of shading AND cooling pond water throughout summer time, and we’d suggest them to anybody who has a fish in a full solar uncovered pond.

Learn Additionally: Concrete Pond Administration: Steps to take earlier than introducing the Fish within the Water

Choice 3: Pond Water Dyes

Shade Quantity: Partial Shade

Pond dye reduces algae growth and helps regulate temperature
Pond dyes assist management algae progress and cut back temperatures by blocking the quantity of UV mild that may penetrate water.

One other attention-grabbing methodology for shading pond water and blocking UV mild is through the use of non-toxic water dyes! These type of dyes are a standard methodology of algae management for bigger our bodies of water, reminiscent of lakes, the place it’s not doable to put in shaded covers or sufficient crops. In current occasions they’ve additionally began to change into standard for backyard ponds, offering an alternate methodology to assist cut back algae progress and block UV mild from penetrating pond water.

The most effective pond dyes are constructed from non-toxic food-grade substances, that are the identical dyes used to paint meals we devour on a day by day foundation. They arrive in a vary of colours, with blue, turquoise, and black being the most well-liked and purposeful for blocking daylight.

Blue dyes are a good all-round color which can present a extra pure pond aesthetic and assist block a massive chunk of daylight reaching by your water. They give the impression of being nice for many sorts of ponds, and we’d suggest blue as a good beginning alternative for first time dye customers.

If you would like most algae management and UV discount, black dyes present a a lot greater reflective floor and a darker water shade. This shade will take up extra UV mild and mirror extra mild off the pond water because the dye turns into established, however the shade is much less pure compared to blue.

Pond dyes are secure for each fish and wildlife, and normally present round 2-3 months of shade earlier than needing a prime up. They will even assist disguise your fish from predators, because the dyes will make it a lot more durable for flying animals, reminiscent of herons, to see your fish whereas overhead.

Pond dyes received’t present as a lot direct shade as crops or shade sails, however can be utilized alongside these choices to assist additional management algae and cut back water temperature from UV mild publicity.

Choice 4: Fish Shelters

Shade Quantity: Partial-full Shade…for fish!

Is Providing Shades on a concrete fish tank necessary? Find out
Fish shelters might not shade your total pond, however they make nice locations for fish to get away from the warmth.

Though they could not present your total pond shade, fish shelters are a nice answer for fish needing to chill down in the course of the hottest occasions of the day! These shelters are normally constructed from non-toxic plastic or mesh materials, and are designed to take a seat on the underside of your pond flooring on the deepest level.

 

They make nice secure havens from predators, and provides your fish a place to de-stress when wanted. In addition to this, each mesh and plastic designs will assist to dam UV mild from penetrating a small space of the pond flooring, offering fish a barely cooler place to flee to.

Though they might not be appropriate for small ponds with shallow water, they work nice for ponds with at the very least 3ft+ of water depth. When you have pond crops which require loads of daylight and also you don’t like the concept of a shade sail, a shelter ought to present your fish sufficient UV safety to chill down when wanted.

When you have a lot of fish, or bigger koi, you possibly can add a number of shelters in numerous areas of the pond for extra locations to cover in summer time. In addition to offering shade, they work nice to cease herons taking fish, so could be a good addition to any koi or goldfish pond.

The selection of design is generally down to private desire, with each plastic and mesh working nicely to shade a fish pond. If we had to decide on, we’d in all probability choose a mesh shelter as they’re softer (much less likelihood of damage), simpler to sink, and nonetheless present good UV protection.

Listed below are some superb fish farming books to information you additional and allow you to get began:

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