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Apart from constructing a koi pond, keeping it clean is the key part of owning it.
As the name suggests, aerated bottom drains provide extra aeration in the pond and can be very useful if a quality air pump accompanies it.
However, this calls for an additional cost. On the other hand, non-aerated bottom drains do not have this feature.
Bottom drains are available in two types which include;
Both types are perfect for removing dirt that has settled at the bottom of the pond pumps.
There is a wide variety of bottom drains in the market, and generally, it is a good thing.
However, it can easily cause a fix in making the best buying decision. That is why we have compiled a guide to ensure that choosing the best bottom drains for your koi food pond isn’t so confusing.
This is a non-aerated user-friendly bottom drain system, mostly recommended for small, sparsely populated ponds.
It is generally small, but this does not compromise its ability to eliminate fish smack and waste that settles at the bottom of the pond.
Dream Pond Koi Toilet II Bottom Drain allows you to achieve a perfectly clean lake at a pocket-friendly price.
Dream Pond Koi Toilet II Bottom Drain is relatively small, effortlessly offering ample space for your koi fish.
Moreover, you do not have to worry about maintenance and replacements as it is made of molded ABS, guaranteeing quality and durability.
This is a lightweight (2.8 pounds) yet massive duty pond bottom drain.
It is fitted with a 4-inch outlet connection where you can fit four-inch internal diameter pipework, which is best for waste removal in a gravity-based system.
Since the outlet is at the bottom of the system, a 90′ elbow fitting is required to connect the bottom drain to your drainage pipe.
This unit has a dome-shaped top, ensuring a smooth flow of water quality. Additionally, its attachments are fitted with a thick flange and liner ring for a perfect grip on the liner.
Unless your fish pond is deep and with a dense fish population, installing sophisticated bottom drain systems that are mostly fitted with air diffusers is unnecessary and cost-ineffective.
Dream Pond Koi Toilet II Bottom drain is cost-friendly, easy to install and perfect where removal of solid waste is the primary concern .it is the ultimate solution for small ponds.
Aquadyne enterprises present a unique bottom drain, carefully manufactured with keen attention to detail to achieve a simple yet very durable product.
Unlike most bottom drains where speed welding is used, Aquadyne Rhino Retro Bottom Drain joints are hand-welded, resulting in units of unmatched strength.
The best thing about these bottom drains is that injection molded parts are of no use. This function is a guarantee of quality and longevity.
Additionally, unlike most products where speed welding is used, all joints are hand-welded in the Aquadyne rhino retro bottom drain.
You can also install the unit in already existing ponds by placing it on your pond’s liner. Its smooth finish ensures that the coating is not damaged.
Aquadyne Rhino Retro Bottom Drain is a durable unit made from heavy-duty PVC material.
You can easily install this bottom drain to existing or pre-construct ponds without underground plumbing.
You can do it by merely filling the base of the bottom drain with sand to prevent floating and only connecting it to the pump suction line.
Ensure you place it in the deepest bottom or at the pond’s center to facilitate effective cleaning.
It is available in the market, either 2 or 3 inches to suit your needs. Attachments in this unit have a thick flange and a liner ring for a perfect fit eliminating the risk of cracking.
They are also machine fitted; therefore, they don’t require gap filling. It is important to note that an improved version of the Aquadyne Rhino Retro Bottom Drain comes with an air diffuser.
Repairing and replacing broken bottom drains can be quite expensive.
Aquadyne Rhino Retro Bottom Drain is a quality product with a lifetime assurance of a clean pond without paying extra repairs.
Additionally, its portability specification enables you to move it to the shallow part of the pond in cold seasons, leaving a conducive warm environment at the bottom of the bond for your koi fish.
Koi fish can grow to an immense size, consequently producing a lot of waste, and therefore having an efficient and effective bottom drain system is paramount.
Koi Toilet I Aerated Bottom Drain can be termed a superior model of Dream Pond Koi Toilet II Bottom Drain.
It measures 16.5 by 16.3 by 14.4 inches with a weight of 10.55 pounds. This bottom drain unit features unique features, and its ability to aerate and get rid of smack in your koi pond is just incredible.
Most bottom drains are difficult to maintain. However, Dream Pond Koi Toilet II Bottom Drain is a threaded center column that offers easy access during maintenance.
It also has well-secured screws. Just like Dream Pond Koi Toilet II Bottom Drain, its attachments are fitted with a thick flange and liner ring for a perfect fit around the pond liner.
This bottom drain also comes with an effective air diffuser that cannot disappoint.
Dream Pond Koi Toilet II Bottom Drain is fitted with a 4-inch outlet that allows you to connect 4inch internal diameter pipework to obtain optimum efficiency in waste removal.
However, adapters can be used to reduce the outlet to the inches, but we wouldn’t recommend that as you will not be able to utilize the bottom drain to the maximum.
This unit is also fitted with a one-inch air inlet, which allows large air intake providing a very well aerated environment for your fish.
It also reduces the possibility of backpressure on the air compressor. We also noticed the internal check valve makes it impossible for debris to enter the air compressor. Lastly, it is made of molded ABS to ensure longevity.
Regardless of its price, which could be termed steep in contrast to other aerated bottom drains, Dream Pond Koi Toilet II still standouts as one of the best products.
It offers matchless performance offering the best possible environment for your koi fish.
They say cheap is expensive in markets, but this is not the case with Easy Pro-4″ Heavy-duty bottom drain with air diffuser.
It features a great combination of superior features yet offers the best price to value ratio.
Easy Pro-4″ Heavy-duty bottom drain with air diffuser is one of the best base drains in the market, and just as the name suggests, it is a hardy product making it perfect for koi fish ponds.
This bottom drain offers your koi fish an environment free of dirt and with an ample supply of oxygen.
It has a high-quality air diffuser fitted with an appropriate air pump that could aerate up to 10000 gallons of water.
Despite the high-quality features and unbeatable working capability, Easy Pro-4″ Heavy-duty bottom drain still offers a pocket-friendly price for an aerated drainage model.
This 12.65 pounds aerated bottom drain is manufactured with expertise using the rotational modeling process offering superior strength.
It is fitted with a 4-inch outlet connection, which is standard and most suitable for draining solid waste through gravity.
A reducing male adopter can be used to connect the pump inlet to a 3-inch pipe if need be. It has a half-inch air inlet, which is threaded, and therefore there is no need for rubber threaded coupling.
Easy Pro-4″ Heavy-duty bottom drain with air diffuser is highly rewarding. Due to its high aeration capacity, you can use it in large and highly populated koi fish ponds.
Its sturdy design ensures that you use it for an extended period. It is a bottom drain that will give you value for your money.
Having a koi pond without a bottom drain can be quite a headache as it requires constant draining of the pond and cleaning.
Despite having a wide variety of base drains in the market, it is tough for you to install them in an already existing or a pre-construct pond.
Dream Pond Retrofit Bottom Drain with Air Diffuser relieves you from what seems like an insolvable problem as it works perfectly by just placing it at the lowest point in the bottom of your pond.
The most eye-catching feature about this bottom drain is that you can easily install it to an already existing pond without having to cut your liner.
This eliminates the possibility of a leaking pond, which mainly emanates from poorly installed bottom drains.
This is a 12 by 12 by 4 inches 3 pounds bottom drain unit that has been mainly developed for installation in already existing or pre-construct ponds.
Setting it up is secure, and all you have to do is to place it at the lowest bottom of the pond to ensure the effective removal of all solid waste.
It is essential to fill the base with sand or gravel to anchor the unit at the Bottom of the Pond firmly. It is fitted with 3-inch outlets, which is very efficient if utilized to the fullest.
At the top of this unit is an air diffuser, which ensures optimum circulation and aeration in the pond.
Sanitary ponds are difficult to achieve, especially with koi fish, as they produce a lot of waste. This gets even tougher if your pond is not installed with a bottom drain.
Dream Pond Retrofit Bottom Drain 3″ with Air Diffuser is the go for option as its unique features ensure easy and risk-free installation in already existing ponds.
We have looked at the questions most people concerning Koi pond bottom drains
Yes. Maintaining a clean pond is essential for the successful raring of koi fish. This can only be achieved by continually filtering out solid waste from the pond.
Solid dirt settles on the pond floor, and without a bottom drain, filters cannot remove it. Pond bottom drains simply push dirty pond water to the filter and push it back into the pond once it is clean.
An alternative to installing bottom drains is to remove the fish from the pond, drain it, wash the pond, put clean water, and then place the fish back in the pond.
This is practically unmanageable, considering it must be done frequently to achieve a fresh pond. Bottom drains offer a 24/7 cleaning mechanism without having to lift a finger.
Additionally, bottom drains with air diffusers keep the pond oxygenated adequately.
Yes, it is possible. In fact, with the current developments in the raring fish industry, it is effortless.
There are two alternatives to equipping your existing pond with a bottom drain.
One, you can choose to go for the drains installed under the pond’s liner. This means a lot of underground plumbing and a very high risk of leaking ponds.
Secondly, and this is what we would recommend, some drains are simply lowered in the pond and placed on the floor of the pond. They work similarly to those installed under the pond as long as they are correctly set.
No. the essence of an air diffuser is increasing oxygen supply and aerating the pond.
This is only necessary if you have a huge pond with a dense fish population.
As mentioned earlier in this discussion, small ponds work fine without an air diffuser, and installing one would unnecessarily cost extra.
It is, however, important to carefully assess whether your pond requires it or not.
This is primarily dependent on the size of your pond. Extensive ponds may require more than one.
However, the layout of the plumb work should also be considered. A general estimation states that one bottom drain can clean 5000 to 6000 gallons of water effectively.
We recommend a bottom drain fitted with a 4inch outlet. You can install four-inch ID pipework, the most useful size for waste removal.
Other factors that determine the number of bottom drains required include the shape of the pond and your preference.
Bottom Drains can either be installed during the construction of a pond or to an already existing or a pre-construct pond.
Installing it during the initial construction is more comfortable as the pond will be designed to adequately accommodate the bottom drain as well as the piping work that comes with it.
However, there are so many restrictions when it comes to an existing pond. You have to remove the liner of or pond and do so much excavation to install a bottom drain. This is quite expensive.
Hence, with existing ponds, it is advisable to go for bottom drains that are simply placed on the liner without cutting through them.
Such a decision may help prevent leaking and save you a lot of money.
Other factors such as quality, durability, ease of installation, etc., can be considered to carry more weight than price.
Even so, you cannot buy what you cannot afford. It is imperative to choose a bottom drain that is within your budget.
However, this does not mean you have to get a less effective unit for your pond.
There is a wide variety in the market, and just with the proper guidance, you can get an affordable bottom drain that perfectly caters to your pond’s needs.
Replacing malfunctioning bottom drains now and then can be expensive. Frequent damages occur due to poor quality of Bottom drains.
Durability and quality are mainly dependent on the process and materials used in manufacturing.
For instance, units made by hand welding are sturdier than those made by speed welding.
Some manufacturers also prioritize profits over quality and therefore use injection molding, which results in cheap bottom drain parts that are prone to breaking.
It’s, therefore, vital to get adequate information before making a purchase.
The decision to buy either an aerated or a non-aerated bottom drain depends on the size of your pond.
It may also depend on your koi stock. Even if you have a separate aerator already in place, buying the aerated bottom drain models is unnecessary.
Both investment and maintenance cost of aerated models is high in comparison to non-aerated models, and therefore it is advisable only to buy them where aeration is necessary.
Koi fish carries a very high aesthetic merit. The good news is that it is quite easy to have a pond in your yard with koi pond bottom drains.
However, you must get the right model to avoid unnecessary costs and stress. This article provides you with all you need to buy a bottom drain for your koi pond.
With the above insights from experts, making the right purchase decision is a cinch.
