1 or 2 tank treatment unit

BullBauld · 07-04-2010 11:53AM #1

Folks I'm looking for a bit of advice on treatment units. Know very little about them!

One system I'm looking at uses 2 tanks - first tank acts like a septic tank before waste moves to next tank for treatment. It's a gravity flow system.

Other system uses just one tank to treat waste.

Obviously I haven't given specifics on how each unit performs but just wondering about the general pros & cons of each system, should one perform better than the other etc.

Any help appreciated.

mickdw · 07-04-2010 12:27PM

Its quite likely that both are using the same basic systems just using separate tanks instead of a large segmented tank. If that is the case, its a matter of personal choice. It can be more difficult to actually install the 2 tank setup on site. I know one system we previously installe had the main tank & a tall cylinder type tank after it. It was certainly messier to install than one tank due to connecting pipework, holding the tank perfectly vertical etc.

Alternatively the 2 tank system you may be looking at might be something like a traditional septic tank followed by filter beds. These are a different & more expensive system.

1 or 2 tank treatment unit

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