Tetra FilterActive adds highly effective live bacteria and thus promotes permanent biological activity in the aquarium. Tetra FilterActive keeps the filter biologically active and keeps it cleaner for longer with its natural action. It contains live starter bacteria and sludge-reducing cleaning bacteria that accelerate the biological degradation of ammonia, nitrite, fish waste, sludge, food and plant remains and filter mud.
Contains living starter bacteria and sludge-reducing cleaning bacteria
Breaks down ammonia, nitrite and organic pollutants such as fish waste, built-up sludge, food remains and dead plant materials
Reduces filter mud, extends cleaning intervals and improves filter performance
Promotes bioactivity in the substrate, prevents decay and reduces maintenance
Broad spectrum of bacteria to maintain biological activity after the water is changed or the filter is cleaned
Delivery costs for your order will be calculated during the checkout process using your designated delivery address and chosen delivery method. You will only pay one delivery charge for your order and this will be calculated on your entire basket after you have entered your delivery address. If for any reason your products are not deliverable to your chosen delivery address, the checkout will inform you of this before your order is submitted.
Our chosen couriers are DPD and Royal Mail. If an order is dispatched directly from a manufacturer then you may have a different courier delivering your order. Full tracking details for all orders sent by DPD will be provided when your order is shipped. You can choose ‘Express Courier’ to receive this service on any standard order. Any order sent from our suppliers, or with DPD will only be delivered Monday - Friday.
All stated delivery times begin from the moment your order is accepted which is when your order is shipped from our warehouse our suppliers. An order confirmation email is not the acceptance of an order by us.
A signature is required for all orders sent via DPD, at which point the responsibility for all consignments passes to you. If you have specified another recipient (who is not you) for delivery purposes, then you accept that evidence of a signature by the said recipient (or another appointed person) at your delivery address is evidence of delivery and fulfilment by DPD and this accepts the transfer of responsibility to yourself.
We do not ship orders internationally.
To see a full list of our delivery charges and to read our terms and conditions, click here.