Bio-Septic septic tank bacteria -1kg

Septic tank bacteria in durable packaging.

For orders below €60 you now only pay €3.95 for shipping to the Netherlands and Belgium.
Above €60 you pay no shipping costs.


34,95 including. 28,88 exclusive of VAT

Free returns    Fast delivery   Expert advice
Buy trusted online via: Valued Shops

Ordered before 15:00. Shipped the same day.

Customer experiences

Within a week the results are noticeable.


Followed the instructions. The sewer no longer stinks. Problem solved.

Ad, Mol

Fast shipping. Nice new packaging!


I have been very satisfied with bio-septic before and now I bought the yearly dosage again. It works fine with our septic tank. I think the new cardboard packaging is a plus. We have been well served again.


Excellent company and product


After moving to a house with a septic tank that was unused for a long time, I started looking for a product to start up and maintain the tank. I went to Dutch Water Tech and ordered Bio Sceptic+ (startup) and now 2 x Bio Septic (maintenance). Fast shipping and delivery, neat T&T code and digital invoice in your mailbox. The website is nice and clear, a clear explanation of the product so you know what to buy and what you need. You will see me back often because the septic tank runs great on your products.

Sunny, ditch village

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