Tetra Nitrate Minus can be used for the long-term reduction and control of nitrate, leading to better water quality and less algae.

Nitrate is a natural end product of healthy biological filtration, and may also be contained in tap water. High levels can encourage excessive algal growth, which can make the aquarium look unsightly. NitrateMinus reduce and controls nitrate, for improved water quality and better algae control.

Suitable for all freshwater and marine aquarium
Harnasses natural process of biological denitrification
Simply add to aquarium once a week - no need for resins that have to be replaced or recharged
Maintains nitrate level below 30-40mg/l or less (in an average aquarium)
Helps control algae growth
Produces no harmful by-products and is completely safe

Application:

Add 2.5ml of NitrateMinus per 10 litres of aquarium water, on a weekly basis. Dose rate can be doubled for additional nitrate control. Depending on the starting concentration of nitrate in the aquarium, it can take a few weeks to reach the desired level. Once achieved, levels will remain low.

Aquacadabra acts as credit broker/intermediary and not as a lender.

Klarna's credit products are provided by Klarna Bank AB, which is authorised and regulated by the Swedish Financial Services Authority, with limited supervision by the Financial Conduct Authority. More information can be found here.

Newpay finance options are provided through Deko’s platform by NewDay. P.D. Aquatics Ltd, t/a Aquacadabra is an Introducer Appointed Representative of Pay4Later Ltd, t/a Deko, which is authorised and regulated by the Financial Conduct Authority (ref no 728646) and is a credit broker, not a lender. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (ref no 690292) and is authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 for the provision of payment services (ref no 555318). More information can be found by clicking the newpay option above, or in the Newpay FAQs.

We really want you to be happy with the product that you've received. If however, when the goods arrive they're not what you want, then no problem - we have a 60 day no quibble return guarantee. Just let us know that you're going to return the item(s) by contacting us(stating your Order Number) and complete the returns packing slip that will have been included with your delivery. This will help us to quickly identify the item that you have returned (unopened and unused) - and we'll put a refund through for you.