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TDS meter recommendations?

pjg250

New Member
Messages
16
Hey y’all, I’m looking for some TDS meter recommendations. Don’t really have much more to say, but I’m in the US, so it’d be a plus to be available here.
 

Apistoguy52

Member
Messages
50
Take your pick of the $12-15 options on Amazon. Most I’ve used have been reasonable accurate, and priced where the accidental swim in the aging/mixing tank doesn’t make you cry.
 

MacZ

Well-Known Member
Messages
1,548
Location
Germany
Take your pick of the $12-15 options on Amazon. Most I’ve used have been reasonable accurate, and priced where the accidental swim in the aging/mixing tank doesn’t make you cry.
I'd go maybe for the price tag above around 20-25,-.
And a word of warning: Don't get a pH-Meter in that category. With pH-meters you either go high quality or leave it.
 

Mike Wise

Moderator
Staff member
5 Year Member
Messages
10,760
Location
Denver, Colorado, U.S.A.
Personally, if it doesn't come with calibration reagents it's not very accurate and not worth using. I use a much more expensive Hanna pH/µS/TDS/°F/°C meter that allows calibration.
 

MacZ

Well-Known Member
Messages
1,548
Location
Germany
Personally, if it doesn't come with calibration reagents it's not very accurate and not worth using.
In comparison with professionally calibrated devices my TDS meter is at mostly off by 1-5 points. I can only second that statement for pH-meters, though.
 

pjg250

New Member
Messages
16
Thanks! This is super helpful.

I assume pH meters are more accurate than trying to read colors in a vial lol.

@Mike Wise do you have the Hanna HI98129 or HI9813-6N?
 

MacZ

Well-Known Member
Messages
1,548
Location
Germany
I assume pH meters are more accurate than trying to read colors in a vial lol.
Provided you have a good sensor and sufficiently high conductivity. Even the best and priciest models need an EC of 75-100µS/cm minimum to correctly work.
 

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Hi,

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I see that The Wet Spot Tropical Fish currently has the fire red A. agassizi you are looking for. Here is the link:
I've always had good experiences buying from them on line.
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I am Hanzle from Holland and keep apistoos for 40 years. Had my own aquarium shop from 1984 till 1988. Always s great fan from apistoos and hyphessobrycon which is s great combination in a Community Aquarium. Perhaps.....in the near future I start breeding apistoos again. Have a 400 liters Community aquarium for hyphessobrycon wadai and apistogramma biteaniata.
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