What dosage would i need for a 45 litre tank please

I prepare my water in 10 litre buckets, I put 5 drops in each bucket of water before adding to the tank. So for 45 litres of fresh water you would need 23 drops. The bottle comes with a flip lid and a small hole so it is very easy to dispense one drop at a time. It doesn’t seem a lot but it works, the best you can buy. I never use anything else. Hope this helps.

I’ve been trying to cycle a new sponge filter 60 litre freshwater tank and nitrites level is high. Can this product help reduce nitrite levels?

Yes it will, but reducing nitrates isn't it's main feature, do small daily or every 2 days water changes, the levels have to spike before they drop,add some fish food even if the tank is empty and also check the tap water levels.

Very expensive its only£6 80 in my local pet shop have you anything cheaper

Prime is very concentrated. You only need 10ml to treat 400 Litres! most other products require about 10ml to treat 40 L. So it lasts about 10 times as long as them. If its double the price... that's still 5 times better value. Prime also detoxifies ammonia and nitrite.

do you need to use this every 48 hours? or just the once then every week when doing a 20% water change?

If you want to use this specifically to detoxify high levels of nitrite, nitrate etc, then you need to dose every 48 hours. If you wish to use it to condition water change water, then you only need to add it to the water that you're putting into the aquarium.

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💧 Transform your aquarium water, transform your aquatic world!

NITRATE REDUCTION BOOST - Helps reduce harmful nitrates, promoting healthier fish and plants
BPA FREE ECO CONSCIOUS - Safe for your fish and the planet—no hidden toxins
ULTRA CONCENTRATED FORMULA - Just 5ml treats a massive 250 liters—max value, minimal effort
CHLORINE CHLORAMINE NEUTRALIZER - Instantly detoxifies tap water for a safe aquatic environment
DUAL FRESH SALTWATER COMPATIBILITY - One conditioner for all your aquarium needs, no compromises

Seachem Prime Concentrated Conditioner is a powerful, ultra-concentrated liquid formula that neutralizes chlorine and chloramines instantly, reduces nitrates, and is safe for both freshwater and saltwater aquariums. With just 5ml treating 250 liters, it offers exceptional value and peace of mind for aquarium enthusiasts seeking a healthy, toxin-free aquatic environment.

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Pet Type	Fish
Product Dimensions	16.76 x 6.35 x 5.84 cm; 281.23 g
Item model number	67104330
Item Form	Liquid
Allergen Information	BPA-Free
Size	500 ml (Pack of 1)
Volume	500 Millilitres
Number of Items	1
Quantity	1
Batteries required	No
Batteries Included	No
External Testing Certification	Não aplicável
Item Weight	281 g

Seachem Prime Concentrated Conditioner, 500 ml

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