TDS meter? - The Planted Tank Forum
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post #1 of 95 (permalink) Old 03-06-2016, 01:36 PM Thread Starter
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TDS meter?

OK, I am not a fan of the chemistry side of this endeavor ATALL!!...but I do love buying gadgets and having more stuff.
1. it is fun to learn
2. I like the look on my wifes face when another box from amazon shows up on the doorstep.

thus-

is there a better TDS Meter. I now have three shrimp tanks and need to start NOT HATING the chemistry part.....

I purchased my 3rd or 4th liquid api test kit. (I am old and have been doing this a long time.....doing it, not 100% perfectly, but doing it)

thanks in advance, ya'll are a wonderful resource
b
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72 bow, mystery snails and angels
55 planted, yellow neon shrimp
55 shrimp tank, rcs
29 shrimp tank, blue- not sure what kind
40 long - winter koi home
40 breeder- planted
10- nursery
10- quarantine
5.5- cycling to be another shrimp tank...
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post #2 of 95 (permalink) Old 03-06-2016, 03:05 PM
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Evilbay usually has a 2 pen set pH/TDS with 7.0 calibration fluid for under $20 with free shipping.
For hobby level testing this should be fine.


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Growing is not that difficult.
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post #3 of 95 (permalink) Old 03-06-2016, 03:11 PM Thread Starter
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I will check it out! thank you
b

North Dakota
125 planted, angels, rummies, c02 tank
72 bow, mystery snails and angels
55 planted, yellow neon shrimp
55 shrimp tank, rcs
29 shrimp tank, blue- not sure what kind
40 long - winter koi home
40 breeder- planted
10- nursery
10- quarantine
5.5- cycling to be another shrimp tank...
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post #4 of 95 (permalink) Old 03-06-2016, 03:57 PM
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Quote:
Originally Posted by bsherwood View Post
OK, I am not a fan of the chemistry

is there a better TDS Meter.
Hey you will be glad to hear a TDS Meter has more to do with physics than with chemistry, as it actually measures conductivity of the solution.

As for a better... they are pretty basic instruments and in my opinion in planted aquariums you do not a supper accurate one. This is because the TDS value is already a sum value of many things disolved in the water (so already has a large error). So don't spend hundreds on one .

As long as it is relatively precise ( ie you can compare the values from the same instrument) it will do the job.

Enjoy the chemistry of the planted tank.

On hiatus till later this year
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post #5 of 95 (permalink) Old 03-06-2016, 04:33 PM
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Hi bsherwood
You will find maintaining water quality to be easier and faster with a TDS tester than with test kits. It may not tell the whole story in details but it will include what test kits cant. Once you get to know the routine you wont need any of the test kits.
They are $5 on eBay, any will do. Just make sure it reads in S units. There are other units for different applications.
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post #6 of 95 (permalink) Old 03-06-2016, 04:39 PM Thread Starter
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Thank you Edward!!!

Thankyou to everyone....we are so fortunate to have this forum as a resource for our passion.

North Dakota
125 planted, angels, rummies, c02 tank
72 bow, mystery snails and angels
55 planted, yellow neon shrimp
55 shrimp tank, rcs
29 shrimp tank, blue- not sure what kind
40 long - winter koi home
40 breeder- planted
10- nursery
10- quarantine
5.5- cycling to be another shrimp tank...
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post #7 of 95 (permalink) Old 03-06-2016, 04:47 PM
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I just received this pH, TDS, & Temp pen I bought from eBay, yesterday.
3 in 1 Pen Type Waterproof LCD Digital Ph TDS Temp Meter:

So far I really like it, it makes things a lot easier and seems to be accurate.
I haven't had a chance to calibrate it yet as I have yet to receive my calibration solutions, but calibration seems easy enough.
Comparing results with my API test kits, it seems to be accurate as far as pH and temperature.
I like this pen more because it has both pH and TDS, the others I've seen are either only pH or TDS, but not both.
It cost about $23.00 on eBay, but I also had to spend about the same buying 4 button batteries at Target.
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post #8 of 95 (permalink) Old 03-09-2016, 11:44 AM Thread Starter
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TDS meter has been shipped! should have it in a few days.
thanks for all the advice folks!

North Dakota
125 planted, angels, rummies, c02 tank
72 bow, mystery snails and angels
55 planted, yellow neon shrimp
55 shrimp tank, rcs
29 shrimp tank, blue- not sure what kind
40 long - winter koi home
40 breeder- planted
10- nursery
10- quarantine
5.5- cycling to be another shrimp tank...
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post #9 of 95 (permalink) Old 03-09-2016, 02:33 PM
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Quote:
Originally Posted by hidden.inverts View Post
I just received this pH, TDS, & Temp pen I bought from eBay, yesterday.
3 in 1 Pen Type Waterproof LCD Digital Ph TDS Temp Meter:

So far I really like it, it makes things a lot easier and seems to be accurate.
I haven't had a chance to calibrate it yet as I have yet to receive my calibration solutions, but calibration seems easy enough.
Comparing results with my API test kits, it seems to be accurate as far as pH and temperature.
I like this pen more because it has both pH and TDS, the others I've seen are either only pH or TDS, but not both.
It cost about $23.00 on eBay, but I also had to spend about the same buying 4 button batteries at Target.


I don't see it says package included in the meter stick
I want one >.<
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post #10 of 95 (permalink) Old 03-13-2016, 03:31 PM Thread Starter
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Meter has arrived.....testing all tanks....my shrimp tanks??? TDS over 600!!!!!!!!! I had read that you need not do water changes on a shrimp tank as long as you are keeping nitrates, amonia, nitrite in check.....but holy smokes!!! my other planted tanks , where I do regular changes was much much lower.....

I have been doing partial changes on the shrimp tanks the past 2-3 days....tds is below 400 but "discobee" says to keep tds in the 100-180 range???

out of the tap I am at 185 in TDS



three years ago I gave away my entire RO system to my nephew. I was getting out of "saltwater aquariums" and would never need an RO unit again.....
yes, I am a moron

North Dakota
125 planted, angels, rummies, c02 tank
72 bow, mystery snails and angels
55 planted, yellow neon shrimp
55 shrimp tank, rcs
29 shrimp tank, blue- not sure what kind
40 long - winter koi home
40 breeder- planted
10- nursery
10- quarantine
5.5- cycling to be another shrimp tank...
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post #11 of 95 (permalink) Old 03-13-2016, 04:48 PM
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Quote:
Originally Posted by bsherwood View Post
out of the tap I am at 185 in TDS
Excellent,
though one question,
TDS at 185 of what, gallon, inch? There is more than one TDS unit.


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post #12 of 95 (permalink) Old 03-13-2016, 05:38 PM Thread Starter
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I suppose it was about a quart of tap water....

North Dakota
125 planted, angels, rummies, c02 tank
72 bow, mystery snails and angels
55 planted, yellow neon shrimp
55 shrimp tank, rcs
29 shrimp tank, blue- not sure what kind
40 long - winter koi home
40 breeder- planted
10- nursery
10- quarantine
5.5- cycling to be another shrimp tank...
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post #13 of 95 (permalink) Old 03-13-2016, 06:27 PM
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Quote:
Originally Posted by bsherwood View Post
I suppose it was about a quart of tap water....
The amount of water makes no difference. What I am referring to is a TDS measurement unit, it can be in ppm, S, EC, , if we dont have this information, we dont know what the actual TDS is.


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post #14 of 95 (permalink) Old 03-13-2016, 07:15 PM Thread Starter
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DOH!

ppm

North Dakota
125 planted, angels, rummies, c02 tank
72 bow, mystery snails and angels
55 planted, yellow neon shrimp
55 shrimp tank, rcs
29 shrimp tank, blue- not sure what kind
40 long - winter koi home
40 breeder- planted
10- nursery
10- quarantine
5.5- cycling to be another shrimp tank...
bsherwood is offline  
post #15 of 95 (permalink) Old 03-13-2016, 07:33 PM
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Quote:
Originally Posted by bsherwood View Post
ppm
TDS in ppm is for kitchen salt applications, not for aquariums. Aquariums use S because of the solids involved.
You can switch the TDS meter to S reading and get a different value.


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