Guidelines for choosing the right plastic septic tank

Septic tanks are a necessity for many homes and buildings and it is important to choose the right sized, good quality septic tank according to the number of people that occupy the building.  Plastic septic tanks do not corrode or rust and are thus often recommended by builders.

JoJo septic tank

Here are some guidelines for choosing the correct sized septic tank:

  • 2 – 4 people – use 1250 litre septic tank
  • 2 – 6 people – use 1500 litre septic tank
  • 4 – 6 people – use 1750 litre septic tank
  • 4 – 7 people – use 2000 litre septic tank
  • 4 – 9 people – use 2500 litre septic tank
  • 10 +  people – use 6000 litre septic tank

In South Africa, JoJo Tanks also manufacture septic tanks and conservancy tanks, in addition to their well-known JoJo water tanks.

The JoJo septic tanks are manufactured from the same high quality polyethylene as their other tanks. They are easy to handle, easy to install and easy to clean. JoJo’s septic tanks have been tested and approved fit for purpose for use as a sanitary disposal system, by Agrément South Africa (CERTIFICATE 2009/359).

JoJo septic tanks are manufactured by means of the rotational moulding process that produces a one-piece, seamless,watertight tank. The rib design and rib placement provide superior structural integrity to the tank. Polyethylene is unaffected by soil chemicals and by the chemicals and gases present in sewage, so JoJo septic tanks will not rust or corrode and require no additional coatings as other tanks do. JoJo’s strict quality guidelines ensure an environmentally safe septic tank.

JoJo septic tank
It is important to follow the installation and operations guidelines supplied with each tank. Please note that the lid needs to be filled with concrete prior to use.

Additional Information About JoJo Septic Tanks

• Polyethylene product

• Chemical resistant

• UV stabilized material

• Fill lid with concrete

• Easy to handle, install and clean

• Sewerage only

• NO Soap water

• Follow installation and operation instructions

Click on the links below to view the wide range of JoJo Tanks products available in South Africa, including JoJo water tanks, JoJo chemical tanks, JoJo septic tanks, JoJo underground tanks, JoJo silo tanks (conical tanks), JoJo steel tank stands and other high quality JoJo Tanks products.

JoJo Tanks South Africa offer a wide range of products such as plastic water tanks and chemical tanks to suit every household, business or agricultural need, including silo tanks and silo tank stands as well as other high quality JoJo Tanks products.  See JoJo Tanks’ VERTICAL TANKS, HORIZONTAL TANKS (transporter tanks), STEEL TANK STANDS and OTHER JOJO PRODUCTS and see JoJo Tanks’ NEW 6000 LITRE UNDERGROUND TANKS. Also see our FAQ and WATER TANK PRICES.

JoJo’s superior polyethylene plastic water tanks and steel water tank stands make JoJo Tanks the leaders in plastic water tank technology and the quality, affordability and 5-year guarantee on these water tanks make JoJo products one of the best choices in South Africa.  *All JoJo Tanks polyethylene tanks and products now carry a 8 year warranty (on tanks purchased on or after 1 July 2013)*  JoJo’s water tanks and chemical tanks come standard with a number of features that are often lacking on cheaper/inferior plastic tanks made by other companies in South Africa.

We are authorised JoJo Tanks dealers in South Africa and dispatch orders directly from JoJo Tank depots to save on transport costs. Full range of JoJo Tanks products and JoJo water tanks for sale.  CONTACT US for a quote on the right JoJo water tank or other JoJo product for you.  Special discounts are available on multiple orders of chemical tanks and water tanks and to our commercial and government customers. We can usually delivery tanks and tank stands free of charge to business/commercial addresses in South Africa.


(15000 litre and 20000 litre JoJo vertical water tanks & chemical tanks are available on order directly from JoJo Tanks’ main factory)

Live in the USA and need rainwater harvesting equipment?  Click HERE!

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