Uses of a TDS meter - The Planted Tank Forum
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post #1 of 10 (permalink) Old 10-23-2015, 03:53 AM Thread Starter
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Uses of a TDS meter

I read many posts on TDS meter. Is it really useful for planted tanks? Is it a must have to check water quality? I do EI dosing and heavily planted. Can someone tell me how it will benefit?


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post #2 of 10 (permalink) Old 10-23-2015, 03:58 AM
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Dont need it for planted tanks, more for specific fish/shrimp

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post #3 of 10 (permalink) Old 10-23-2015, 04:02 AM Thread Starter
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Dont need it for planted tanks, more for specific fish/shrimp

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I have fish and shrimps in there. By planted, I meant plants with shrimps and fish.


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post #4 of 10 (permalink) Old 10-23-2015, 05:23 AM
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What type of fish & shrimp you keep?

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post #5 of 10 (permalink) Old 10-23-2015, 12:54 PM Thread Starter
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Originally Posted by al4n View Post
What type of fish & shrimp you keep?

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I have Neon Tetras, RCS, GS and Ramshorn Snail - Just 1 for now.


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post #6 of 10 (permalink) Old 10-23-2015, 03:50 PM
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TDS meter gives an ability to get an idea about how much stuff is dissolved in the water in a fast and easy manner, so it is very useful if you are playing with water parameters (mixing tap with RO etc.) targeting specific water hardness for sensitive fish and shrimp. Makes it really easy to detect if substrate leaks something into water. Basically, it is much easier to measure TDS than to do GH measurement.

If you don't play with water hardness and don't have sensitive shrimp (e.g. CRS), you don't need it, otherwise it is invaluable.
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post #7 of 10 (permalink) Old 10-23-2015, 04:37 PM
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Like Oso Polar said.
I used it a lot while I was still playing around with how to mix my water (along with testing pH, GH, KH).
Nowadays I just use it as a quick check pre and post WC to make sure I didn't screw up majorly.

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post #8 of 10 (permalink) Old 10-23-2015, 09:16 PM
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You might find this article helpful:

TDS , what does it mean and why should i test?

I re-mineralize RO water for water changes. I add about 1 tsp. of SeaChem Equilibrium and 1/2 tsp. of potassium bicarbonate to a bucket of water (around 5 gal). TDS tells me quickly if I got the amount of water right. Since I know the 1:2 ratio (by volume) is right for the additives, TDS makes it easy to get the water volume correct without having to do the chemical tests for GH and KH.

If TDS goes up in my tank, but GH and KH are normal, I know something strange has happened.

I've also used it when transferring fish from quarantine to display tank. TDS shock is more of an issue than pH shock.
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post #9 of 10 (permalink) Old 10-23-2015, 10:52 PM Thread Starter
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Thanks for all the info. At present, I use tap water and I do not have any sensitive fish/shrimp. So maybe I should wait. MY main reason for the question was to find out if I can use TDS meter to determine the frequency of water changes if it is less than a week, a week or 2 week.


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post #10 of 10 (permalink) Old 10-23-2015, 11:57 PM
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Quote:
Originally Posted by plantetra View Post
Thanks for all the info. At present, I use tap water and I do not have any sensitive fish/shrimp. So maybe I should wait. MY main reason for the question was to find out if I can use TDS meter to determine the frequency of water changes if it is less than a week, a week or 2 week.
I think frequent water changes would mostly be driven by nitrate levels. It might be a different story if you are EI dosing. EI intentionally adds more than can be used, so you have to do frequent water changes to deal with the excess.
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