Hanna Phosphate Checker

[fener103]

So I, unable to differentiate between very pale blue and clear to detect Phosphate levels broke down and bought a Hanna Phosphate Checker. I have been running Rowaphos in a BRS twin reactor for the last three weeks in my 120g. My initial reading came back at .08 ppm after running the test. The plan is to head up to SEA tomorrow and have them check it to see how close it really is. I will post the results when I get them for anyone who is interested.

 

[gregoryleonard]

Which phosphate checker is it the ultra low (ppb) version, or the low range (ppm) version? I have the low range checker and have been using BRS high capacity GFO in a reactor and my readings (once a week) have consistently been below 0.05 (with a variance of .04 ppm). I would be interested in your results when you get them? Are you only having them test for phos? Or all parameters? Where are they located and what's the cost to get your water tested?
Sorry for all the ?s but I've been wanting to get mine checked to compare my readings as well. Still can't explain lack of polyp extension on Acros but have great PE on other SPS' ( birds nest, montis, spongedes) just Acros and Millies can't get good PE.

 

[seth the wine guy]

I'm about to go the Hanna route myself and curious to see the results.

 

[jmaneyapanda]

gregoryleonard;700147 wrote: Which phosphate checker is it the ultra low (ppb) version, or the low range (ppm) version? I have the low range checker and have been using BRS high capacity GFO in a reactor and my readings (once a week) have consistently been below 0.05 (with a variance of .04 ppm). I would be interested in your results when you get them? Are you only having them test for phos? Or all parameters? Where are they located and what's the cost to get your water tested?
Sorry for all the ?s but I've been wanting to get mine checked to compare my readings as well. Still can't explain lack of polyp extension on Acros but have great PE on other SPS' ( birds nest, montis, spongedes) just Acros and Millies can't get good PE.

Your confusing the Hanna ultra low PHOSPHOROUS checker with a phosphate checker. They measure different things. You'll need to convert phosphorous to phosphate, and the mathematical conversion gives roughly the same accuracy as the low range phosphate.

 

[fener103]

The good the bad and the ugly.


The good my ELOS Calcium test was spot on with the test results


The bad my Alk was 8 DKH with the Hanna Alkalinity Checker. Actual result 10DKH


The ugly and what you have been waiting for. Hanna PO4 checker .08. Actual result .3.

Reckon I will up the GFO amount and choose to watch my glass than to trust the checker.

 

[snowmansnow]

Hmm.. haven't tried the PO3 but the ALK checker has been spot on or very close to my Elos Kit.

B

 

[lilrobb]

fener103;700241 wrote: The good the bad and the ugly.


The good my ELOS Calcium test was spot on with the test results


The bad my Alk was 8 DKH with the Hanna Alkalinity Checker. Actual result 10DKH


The ugly and what you have been waiting for. Hanna PO4 checker .08. Actual result .3.

Reckon I will up the GFO amount and choose to watch my glass than to trust the checker.

How did they determine "actual result"?

 

[seth the wine guy]

fener103;700241 wrote: The good the bad and the ugly.


The good my ELOS Calcium test was spot on with the test results


The bad my Alk was 8 DKH with the Hanna Alkalinity Checker. Actual result 10DKH


The ugly and what you have been waiting for. Hanna PO4 checker .08. Actual result .3.

Reckon I will up the GFO amount and choose to watch my glass than to trust the checker.

Quick question: Were the tests done at the same time at the store out of your container? Or, did you test at home then bring a sample to SEA for the test?

Edit:

LilRobb;700328 wrote: How did they determine "actual result"?

SEA's fancy schmancy photometer.

 

[mvm]

Seth The Wine Guy;700617 wrote: Quick question: Were the tests done at the same time at the store out of your container? Or, did you test at home then bring a sample to SEA for the test?

Edit:

SEA's fancy schmancy photometer.

I would assume the latter....
But, unless you're testing PH, does it matter? I honestly don't know. I do know that PH can change after collected.

 

[seth the wine guy]

MvM;700618 wrote: I would assume the latter....
But, unless you're testing PH, does it matter? I honestly don't know. I do know that PH can change after collected.

I'm not sure myself but I've got to think there's potential for contamination. Residue left in a tupperware wether it be soap or food particles. I'm trying to decide which route to go on a PO4 tester and want to eliminate possible variables that create inconsistencies. (I try to do the best research I can on a product before buying but don't always succeed ) I would love to get away with a cheaper checker with a reasonable degree of reliability but won't consider it if it's not consistent. Other reviews and testimonies I've heard from those with the Hanna pocket checker have been good.

 

[mvm]

Seth The Wine Guy;700620 wrote: I'm not sure myself but I've got to think there's potential for contamination. Residue left in a tupperware wether it be soap or food particles. I'm trying to decide which route to go on a PO4 tester and want to eliminate possible variables that create inconsistencies. (I try to do the best research I can on a product before buying but don't always succeed ) I would love to get away with a cheaper checker with a reasonable degree of reliability but won't consider it if it's not consistent. Other reviews and testimonies I've heard from those with the Hanna pocket checker have been good.

I too was thinking about purchasing that po4 tester, but bad reviews have deterred me.

 

[fener103]

The tests were done at my house prior to the hour drive up to SEA. I did not have them test anything other than what was mentioned above. The vessel I used for transport was tupperware that was rinsed in fresh water times three and rinsed in tank water times three.

 

[gregoryleonard]

Seth, I have a Hana Po4 checker I can bring to your place and check your levels and determine if it's within acceptable range for you. I have ben using it for 2+ months along with BRS High capacity GFO in a reactor and saw my numbers steadily measure down from .5 to .005, and maintain that for the last month or so.before the Hanna I had several color chart based testers that were tough to get an accurate reading. Tank appearance, along with the low level reading I am getting with it, I know my readings are lower than they were before GFO. I have even tested other water from coral purchases (Rit for example) and it tested at .003, which is where he says he tries to keep his PO4 levels. Let me know if you are interested? Where do you think your levels are? What is going on in your tank that you would suspect an above acceptable Po4 reading?

Greg

Seth The Wine Guy;700620 wrote: I'm not sure myself but I've got to think there's potential for contamination. Residue left in a tupperware wether it be soap or food particles. I'm trying to decide which route to go on a PO4 tester and want to eliminate possible variables that create inconsistencies. (I try to do the best research I can on a product before buying but don't always succeed ) I would love to get away with a cheaper checker with a reasonable degree of reliability but won't consider it if it's not consistent. Other reviews and testimonies I've heard from those with the Hanna pocket checker have been good.

 

[seth the wine guy]

gregoryleonard;700892 wrote: Seth, I have a Hana Po4 checker I can bring to your place and check your levels and determine if it's within acceptable range for you. Let me know if you are interested? Where do you think your levels are? What is going on in your tank that you would suspect an above acceptable Po4 reading?

Greg

Thanks Greg, I as a matter of routine I try to log my parameters weekly. I'm just anal. I kept getting a zero reading from my Salifert test and brought it to SEA to be tested on the fancy photometer. It was .14ppm. What I'm looking to do is acquire a Hanna checker. I would like to bring a meter with me to test against their meter. Same water. Same time to eliminate any variables. I want to see if the difference in price of meters is justified by the accuracy. If you're in the area and up for a trip to SEA I'm all for it.

Thanks again!

 

[gregoryleonard]

Seth The Wine Guy;700895 wrote: Thanks Greg, I as a matter of routine I try to log my parameters weekly. I'm just anal. I kept getting a zero reading from my Salifert test and brought it to SEA to be tested on the fancy photometer. It was .14ppm. What I'm looking to do is acquire a Hanna checker. I would like to bring a meter with me to test against their meter. Same water. Same time to eliminate any variables. I want to see if the difference in price of meters is justified by the accuracy. If you're in the area and up for a trip to SEA I'm all for it.

Thanks again!

How far away from you is SEA? I would like to bring my water as well and see how close my Hanna checker is to their measurements as well. How does Thursday afternoon work for you? Or Friday? Btw, do you have any 35pt refractometer calibration solution? I want to calibrate my refractometer as well to make sure My SG is reading at 35.

 

[seth the wine guy]

PM will come

 

[dan3949]

When doing this type of test in the future, use the spare vial in the Hanna checker to test your water at SEA. This would eliminate the potential leaching issue and minimize contamination (if both vials are cleaned and rinsed the same).