#1   Report Post  
Old 20-04-2003, 07:24 AM
Henry
 
Posts: n/a
Default Test Kits

What brand of test kits are people out there using ? I have two kits (Hagen
and Aquarium Pharmaceuticals) for KH hardness, and they are giving me
different results. One says my water is about 60 PPM carbonate hardness, and
the other says about 90. These differing results are consistently
repeatable. Is there a brand out there that I can really trust?

I want a pretty precise result for the KH hardness so I can determine the
C02 levels on my water with a reasonable degree of accuracy.

Thank you for any help.


  #2   Report Post  
Old 20-04-2003, 07:24 AM
Tasslehoff
 
Posts: n/a
Default Test Kits

Lamotte are supposed to be accurate if you want to pay 10x as much. I have
the same problem. Aquasonic (3 step)will give my tank a reading of 150ppm
and AP will give me 220ppm (1 step). My tetras are happy and angels laying
eggs all the time so I'm not too concerned.

"Henry" wrote in message
...
What brand of test kits are people out there using ? I have two kits

(Hagen
and Aquarium Pharmaceuticals) for KH hardness, and they are giving me
different results. One says my water is about 60 PPM carbonate hardness,

and
the other says about 90. These differing results are consistently
repeatable. Is there a brand out there that I can really trust?

I want a pretty precise result for the KH hardness so I can determine the
C02 levels on my water with a reasonable degree of accuracy.

Thank you for any help.




  #3   Report Post  
Old 20-04-2003, 07:24 AM
Tasslehoff
 
Posts: n/a
Default Test Kits

Ah geez there I go again, I didn't read the original post properly. I was
referring to GH not KH, sorry.

"Tasslehoff" wrote in message
u...
Lamotte are supposed to be accurate if you want to pay 10x as much. I

have
the same problem. Aquasonic (3 step)will give my tank a reading of 150ppm
and AP will give me 220ppm (1 step). My tetras are happy and angels

laying
eggs all the time so I'm not too concerned.

"Henry" wrote in message
...
What brand of test kits are people out there using ? I have two kits

(Hagen
and Aquarium Pharmaceuticals) for KH hardness, and they are giving me
different results. One says my water is about 60 PPM carbonate hardness,

and
the other says about 90. These differing results are consistently
repeatable. Is there a brand out there that I can really trust?

I want a pretty precise result for the KH hardness so I can determine

the
C02 levels on my water with a reasonable degree of accuracy.

Thank you for any help.






  #4   Report Post  
Old 20-04-2003, 07:24 AM
PérRµ§h
 
Posts: n/a
Default Test Kits

On Sun, 9 Mar 2003 20:39:20 -0500, in rec.aquaria.freshwater.plants
"Henry" verruimde onze geest met:

What brand of test kits are people out there using ? I have two kits (Hagen
and Aquarium Pharmaceuticals) for KH hardness, and they are giving me
different results. One says my water is about 60 PPM carbonate hardness, and
the other says about 90. These differing results are consistently
repeatable. Is there a brand out there that I can really trust?

I want a pretty precise result for the KH hardness so I can determine the
C02 levels on my water with a reasonable degree of accuracy.

Thank you for any help.


Henry,

can you give me the exact procedure both tests require ?

What color change ??
what color have the liqiud(s) / solid(s) ??
In which way do you have to apply them ??
....
all other things you can imagine which can expose the nature of the
chemicals.

***

Most of these tests you measure the acid-absorbtion-capacity which is,
under normal circumstance, almost the same as the KH. But other ions,
such as PO4, interfere with the measurment. It can be that one test
exclude that or such ions.

Perrush
PérRµ§h

--

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet?
  #5   Report Post  
Old 20-04-2003, 07:24 AM
Henry
 
Posts: n/a
Default Test Kits

Thank you for your interest.

Both tests are similar: one takes 5 ml of water and adds drops of the test
solution one drop at a time. When the water in the test tube changes from
blue to yellow, you record the number of drops it took. In the Aquarium
Pharmaceuticals test kit one drop is worth one degree of hardness. In the
Hagen kit one drop is worth 10 ppm.

Both kits are newly purchased within the last month.


"PérRµ§h" wrote in message
...
On Sun, 9 Mar 2003 20:39:20 -0500, in rec.aquaria.freshwater.plants
"Henry" verruimde onze geest met:

What brand of test kits are people out there using ? I have two kits

(Hagen
and Aquarium Pharmaceuticals) for KH hardness, and they are giving me
different results. One says my water is about 60 PPM carbonate hardness,

and
the other says about 90. These differing results are consistently
repeatable. Is there a brand out there that I can really trust?

I want a pretty precise result for the KH hardness so I can determine

the
C02 levels on my water with a reasonable degree of accuracy.

Thank you for any help.


Henry,

can you give me the exact procedure both tests require ?

What color change ??
what color have the liqiud(s) / solid(s) ??
In which way do you have to apply them ??
...
all other things you can imagine which can expose the nature of the
chemicals.

***

Most of these tests you measure the acid-absorbtion-capacity which is,
under normal circumstance, almost the same as the KH. But other ions,
such as PO4, interfere with the measurment. It can be that one test
exclude that or such ions.

Perrush
PérRµ§h

--

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet?





  #6   Report Post  
Old 20-04-2003, 07:24 AM
Frank Mamone
 
Posts: n/a
Default Test Kits

The question I always had with the Hagen test is "Does the first drop
count?"


"Henry" wrote in message
...
Thank you for your interest.

Both tests are similar: one takes 5 ml of water and adds drops of the test
solution one drop at a time. When the water in the test tube changes from
blue to yellow, you record the number of drops it took. In the Aquarium
Pharmaceuticals test kit one drop is worth one degree of hardness. In the
Hagen kit one drop is worth 10 ppm.

Both kits are newly purchased within the last month.


"PérRµ§h" wrote in message
...
On Sun, 9 Mar 2003 20:39:20 -0500, in rec.aquaria.freshwater.plants
"Henry" verruimde onze geest met:

What brand of test kits are people out there using ? I have two kits

(Hagen
and Aquarium Pharmaceuticals) for KH hardness, and they are giving me
different results. One says my water is about 60 PPM carbonate

hardness,
and
the other says about 90. These differing results are consistently
repeatable. Is there a brand out there that I can really trust?

I want a pretty precise result for the KH hardness so I can determine

the
C02 levels on my water with a reasonable degree of accuracy.

Thank you for any help.


Henry,

can you give me the exact procedure both tests require ?

What color change ??
what color have the liqiud(s) / solid(s) ??
In which way do you have to apply them ??
...
all other things you can imagine which can expose the nature of the
chemicals.

***

Most of these tests you measure the acid-absorbtion-capacity which is,
under normal circumstance, almost the same as the KH. But other ions,
such as PO4, interfere with the measurment. It can be that one test
exclude that or such ions.

Perrush
PérRµ§h

--

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet?





  #7   Report Post  
Old 20-04-2003, 07:24 AM
PérRµ§h
 
Posts: n/a
Default Test Kits

On Mon, 10 Mar 2003 09:51:35 -0500, in rec.aquaria.freshwater.plants
"Henry" verruimde onze geest met:

Thank you for your interest.

Both tests are similar: one takes 5 ml of water and adds drops of the test
solution one drop at a time. When the water in the test tube changes from
blue to yellow, you record the number of drops it took. In the Aquarium
Pharmaceuticals test kit one drop is worth one degree of hardness. In the
Hagen kit one drop is worth 10 ppm.

Both kits are newly purchased within the last month.


how many drops with the hagen and how many with the other for the same
sample ?

Maybe a conversion problem : °KH - ppm

PérRµ§h

--

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet?
  #8   Report Post  
Old 20-04-2003, 07:24 AM
Henry
 
Posts: n/a
Default Test Kits

Hagen: 6 drops (so 60 ppm KH), Aquarium Pharmaceuticals: 5 drops (so 5
degrees hardness =89.5 ppm KH).

Henry


"PérRµ§h" wrote in message
...
On Mon, 10 Mar 2003 09:51:35 -0500, in rec.aquaria.freshwater.plants
"Henry" verruimde onze geest met:

Thank you for your interest.

Both tests are similar: one takes 5 ml of water and adds drops of the

test
solution one drop at a time. When the water in the test tube changes from
blue to yellow, you record the number of drops it took. In the Aquarium
Pharmaceuticals test kit one drop is worth one degree of hardness. In the
Hagen kit one drop is worth 10 ppm.

Both kits are newly purchased within the last month.


how many drops with the hagen and how many with the other for the same
sample ?

Maybe a conversion problem : °KH - ppm

PérRµ§h

--

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet?



  #9   Report Post  
Old 20-04-2003, 07:24 AM
Frank Mamone
 
Posts: n/a
Default Test Kits

Maybe my question was misunderstood, but I am unclear as to how to count the
drops using the Nutrafin test kit.

It says to put a drop in the 5ml water. Then start adding drops 1 at a time
and count them until the water turns yellow. I always wonder if the first
drop should be counted or is it just for a baseline?

Thanks,

Frank


"Henry" wrote in message
...
Hagen: 6 drops (so 60 ppm KH), Aquarium Pharmaceuticals: 5 drops (so 5
degrees hardness =89.5 ppm KH).

Henry


"PérRµ§h" wrote in message
...
On Mon, 10 Mar 2003 09:51:35 -0500, in rec.aquaria.freshwater.plants
"Henry" verruimde onze geest met:

Thank you for your interest.

Both tests are similar: one takes 5 ml of water and adds drops of the

test
solution one drop at a time. When the water in the test tube changes

from
blue to yellow, you record the number of drops it took. In the Aquarium
Pharmaceuticals test kit one drop is worth one degree of hardness. In

the
Hagen kit one drop is worth 10 ppm.

Both kits are newly purchased within the last month.


how many drops with the hagen and how many with the other for the same
sample ?

Maybe a conversion problem : °KH - ppm

PérRµ§h

--

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet?





  #10   Report Post  
Old 20-04-2003, 07:24 AM
Henry
 
Posts: n/a
Default Test Kits

Frank:

I do not know about Nutrafin test kits; I have never used one, but for the
Hagen and Aquarium Pharma kits I do count the first drop.

Henry

"Frank Mamone" wrote in message
...
Maybe my question was misunderstood, but I am unclear as to how to count

the
drops using the Nutrafin test kit.

It says to put a drop in the 5ml water. Then start adding drops 1 at a

time
and count them until the water turns yellow. I always wonder if the first
drop should be counted or is it just for a baseline?

Thanks,

Frank


"Henry" wrote in message
...
Hagen: 6 drops (so 60 ppm KH), Aquarium Pharmaceuticals: 5 drops (so 5
degrees hardness =89.5 ppm KH).

Henry


"PérRµ§h" wrote in message
...
On Mon, 10 Mar 2003 09:51:35 -0500, in rec.aquaria.freshwater.plants
"Henry" verruimde onze geest met:

Thank you for your interest.

Both tests are similar: one takes 5 ml of water and adds drops of the

test
solution one drop at a time. When the water in the test tube changes

from
blue to yellow, you record the number of drops it took. In the

Aquarium
Pharmaceuticals test kit one drop is worth one degree of hardness. In

the
Hagen kit one drop is worth 10 ppm.

Both kits are newly purchased within the last month.

how many drops with the hagen and how many with the other for the same
sample ?

Maybe a conversion problem : °KH - ppm

PérRµ§h

--

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet?









  #11   Report Post  
Old 20-04-2003, 07:24 AM
PérRµ§h
 
Posts: n/a
Default Test Kits

On Mon, 10 Mar 2003 19:55:31 -0500, in rec.aquaria.freshwater.plants
"Henry" verruimde onze geest met:

Hagen: 6 drops (so 60 ppm KH), Aquarium Pharmaceuticals: 5 drops (so 5
degrees hardness =89.5 ppm KH).

Henry


something is wrong here or misleading.

The hagen give 1 drop for 10 ppm (or mg/L) but you don't say of what
those 10 mg/L or. I suppose they are in CaO. Which is actually a
measurement for GH.

The AP gives 1 drop for 17.9 ppm (or mg/L). Which could be 17.9 mg
CaCO3.

I don't have much time (got to go to work)
Read the manuals of both exactly
Search google for "german hardness" an look up the
difference/similarity between 10 mg CaO and 17.9 mg CaCO3

will be back
PérRµ§h

--

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet?
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