High nitrates from tap

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Jez1992

Jez1992

Dovii
MFK Member
Aug 7, 2015
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477
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UK
I live in south east England and no my water from tap reads anything from 40 to 80ppm for nitrate each time.

I perform a 50% wc each week and the nitrate levels are normally pretty much the same meaning not increased much in aquarium.

What can I do to reduce the nitrate from the tap water?

And is the higher level of nitrate a risk long term to fish as have always been kept in it and not had any issues so far?

Thanks in advance
 
What test kit are you using? 40ppm nitrates right out of the tap is just plain gross! It's said that anything higher than 20ppm negatively effects fish. You'll never get lower than 40 if that's what your source water contains.
 
FreshyFresh said:
What test kit are you using? 40ppm nitrates right out of the tap is just plain gross! It's said that anything higher than 20ppm negatively effects fish. You'll never get lower than 40 if that's what your source water contains.
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Tested with api master kit and test strips also, both kits within date... My water company also has tests online for my area which shows the average in my area as being 35!!
 
there is really nothing you can do to bring down your tap nitrates, 35 is high, you on well water or this from the city?
 
roe water will not reduce the nitrate in it,
 
Yes if a di filter is used, other options is to use products such as nitra-gaurd in the tank
 
agreed but is this practical for changing large amounts of water. and nitra-guard suspect in my book,
 
in my world, high nitrates are delt with water change,. there is no silver bullet, I wish there was. OP says 35 from the tap. tak 20 on that 55 the number he is shooting for. not ideal? but certainly something his fish can live with for 5 or 6 years. even longer depending on the fish.
 
If you have tap water with low nitrates, the obvious and cheapest method to reduce high nitrates is water changes. I had a heavily stocked tank where I used nitra-gaurd in a small reactor and it brought my nitrates from 80ppm to 10ppm within a month and kept it there. It's still running although it's probably not needed anymore as I moved some stock to another tank. It is important to remove the biomass that is created by using process.
If the stock is bred and kept under the high nitrate conditions (which from my understanding is not uncommon in the uk) you're right, they'll probably live for a long time
 
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