Do-it-yourself Topas septic tank maintenance: step-by-step instructions

Popular models of septic tanks "TOPAS"

Septic tank TOPAS 12

Septic tank Topas 8

Septic tank Topas 9

Septic tank Topas-S 9

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Maintenance procedure for septic tanks "TOPAS"

Cleaning the TOPAS septic tank consists of activities that can be entrusted to specialists or carried out independently. You will need to do:

• Sludge cleaning . It is necessary to monitor such accumulations in the sump. Pumping of TOPAS sludge must be carried out at least once a quarter. The septic tank “TOPAS” 8 and other models are equipped with a corresponding mechanism.

How does TOPAS 8 work inside?

• Removing solids . Servicing TOPAS A with your own hands involves removing various deposits. Residues of food and garbage are carried in by drains.
• Rinsing with running water . Should be carried out at least once a year. Maintenance of a septic tank in St. Petersburg must necessarily include cleaning of the receiving compartment and tanks, regardless of the model of private sewerage.
• Replacing membranes in the compressor . Maintenance of the TOPAS autonomous sewer system will not be effective if the filtration units are not replaced in a timely manner.
• Flushing the system with boiling water . This will prevent grease deposits and potential blockages from forming in the drain compartment.

Technical characteristics of septic tanks "TOPAS" 8 and "TOPAS" 5

Septic tank Topas 5

Septic tank Topas 8

To flush the septic tank with boiling water, it is enough to pour a couple of liters of water into the toilet. The frequency of the procedure is once every seven to ten days.

• Replacing aerators . Maintenance of TOPAS 5 or another septic tank model involves installing new mixers every 10-12 years.

The process of aeration in the septic tank chamber

Briefly about the principle of operation of the station

When starting to repair a wastewater treatment plant, it is necessary to have an understanding of the principle of its operation. The operation of the device is based on the purification of liquid household waste using bacteria.

And if energy-independent systems rely on the work of anaerobic bacteria, the life of which is possible in the absence of oxygen, then the Topas treatment station purifies waste thanks to anaerobic and aerobic organisms.

The difference in the living conditions of these microorganisms affects the completely different operating principles of wastewater treatment devices.

Different models of the TOPAS station may differ in size, productivity, the ability to process a certain amount of wastewater per unit of time (salvo discharge indicator), the presence of a drainage pump for removing treated water or its absence, installation depth (for example, models with the designation “Long” are connected to pipe, which lies at a depth below 0.9 m)

In conditions of complete absence of oxygen, fermentation of the waste mass is carried out by anaerobes. The process takes place in the first compartment of the treatment plant. Then the settled and fermented wastewater comes to the disposal of aerobes located in the next three compartments of the system.

Aerobic microorganisms break down and process suspended particles and impurities found in wastewater much faster, but they require a constant supply of oxygen. In addition, oxygen is necessary for the oxidation of mass. Aeration of the wastewater is provided by an electric pump, so operation of the device without power supply is impossible. Read more about how aerobic and anaerobic bacteria work for septic tanks.

Features of maintenance of the TOPAS septic tank

What the cost of cleaning TOPAS will be depends on the complexity of the work. You can prevent clogging and damage to the system by ensuring that the station is used correctly. Recommendations for use include:

• Installation of household nets . Relevant for sinks not only in the kitchen, but also in the bathroom. Make sure that no cleaning or product residues get into the TOPAS 4 drains. Due to such accumulations, fungus and mold can form in the system.

Septic tank "TOPAS" 6

Regular cleaning of the septic tank - how to do it yourself?

Every 3–6 months, waste sludge can be removed from the stabilizer using a mamut pump built into the system, or through a drainage apparatus. In the first case, the work flow diagram is as follows:

1. Turn off the septic tank.
2. Remove the mamut pump from the special clip and take it outside the system.
3. Slightly loosen the metal clamp located at the end of the hose in order to easily remove the plug from the pump.
4. Raise the switch (float) in the receiving compartment. To do this, you need to run the system in forward phase mode.
5. Pump about half the volume of the chamber into a pre-prepared reservoir.
6. Turn off the septic tank, install the plug in place and secure the hose in the old place. Add clean water to the chamber. Cleaning complete!

Removing debris from a septic tank with a mamut pump

When using a drainage device, cleaning is carried out according to a similar algorithm. But in this case, you need to place one end of the hose in a compost pit or some container, and lower the other to the bottom of the sludge compartment.

After cleaning the equipment with the pump is completed, you should rinse the walls of the stabilizer chamber and fill it with water to the standard level. Wall washing is usually performed with special equipment operating under high pressure. Such devices are called mini-washes. As noted earlier, in case of minor contamination of the stabilizing compartment, it is possible to remove sludge from its internal surfaces using a broom.

Technical characteristics of septic tanks "TOPAS" 4 and "TOPAS" 6

Septic tank Topas 6

Septic tank Topas 4

• Preventing the drainage of aggressive liquids . For the septic tank “TOPAS” 6 and others, it is not advisable to get gasoline, acids and alkaline agents.

Water, toilet paper and organic waste are allowed to enter the TOPAS cleaning system

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Evaluation of device performance based on water quality

A functioning purification plant produces practically pure water at the outlet, free of impurities and foreign odors. It can be used for watering lawns, flower beds, and gardens. If the water coming out of the device is cloudy, this indicates poor cleaning.

The culprit for this may be the short period of operation of the station (up to one month): the new equipment does not have a sufficient amount of biologically active sediment, which plays a major role in wastewater treatment. Biological equilibrium can be established more quickly by adding activated sludge from an already operating station.

This also happens due to changes in external conditions: a sharp decrease in temperature, indicating increased acidity of the pH of wastewater or the discharge of chemicals into it (for example, containing chlorine). Usually, when these causes are eliminated, the situation normalizes on its own.

If turbidity of the effluent is observed constantly, then the most likely reasons are an increase in the amount of effluent and insufficient aeration. The latter sometimes happens due to damage to the distribution pipes and oxygen leakage.

The quality of water purification can be determined visually by taking a sample. To do this, a bubbling liquid is drawn from a working device in the aeration tank compartment into a glass container with a volume of about 1 liter. A properly operating unit will have a ratio of settled sludge to clear water of 2:8.

If there is less sludge, it means that the installation is not yet fully ready for operation or is not sufficiently loaded with wastewater. If more, this may mean that the system cannot cope with a large amount of liquid household waste or the float switch is set low in the compartment and does not switch to recirculation mode.

The selected mixture is allowed to stand for about half an hour. By this time, the activated sludge settles, and clear water rises to the top

Video instructions for cleaning the autonomous sewage system "TOPAS"

Do-it-yourself servicing of the TOPAS septic tank, a video of the process is presented below, includes cleaning the station. To perform pumping you need to:

• Lower the pump into the stabilizer . Route the hose to the area where the drain will be performed.
• Start the pump . Remove approximately half of the sludge.
• Fill the reservoir with water . Activate the biological treatment system.

How TOPAS is cleaned, a video about it can be viewed right here:

Do-it-yourself maintenance of the TOPAS septic tank

All stages of maintenance can be done independently, but you must strictly follow the instructions. If you are not sure that you can replace components or complex repairs are required, contact a specialist. offers to buy a septic tank "TOPAS" 5 and other models of autonomous sewerage. Order not only equipment, but also its maintenance at a competitive price. Do it right now!