Water testing company
- Thread starter Dawn II
- Start date
Ralph ATL
Formerly mysterybox
Ralph ATL
Formerly mysterybox
just search with google.
here is an example when they still had Calcium issues:
http://www.dfwmas.org/pdf_files/Test Kit Analysis.pdf
here is an example when they still had Calcium issues:
http://www.dfwmas.org/pdf_files/Test Kit Analysis.pdf
Ralph ATL
Formerly mysterybox
http://www.reefcentral.com/forums/showthread.php?threadid=1378287
This is what they sent me.
NOTE: AquariumWaterTesting.com has made a significant leap forward in the way we test calcium. Our senior staff has developed a new background solution to calibrate the calcium ion electrode that eliminates more interferences than ever. Though this was a fundamentally small adjustment, the values measured following the new calibration process do yield results that are much closer to the values you are used to seeing from home titration kits. So if you notice a jump in your calcium level from your last round of results, it will be due to this improvement in our ability to eliminate interferences from other ions in the complex chemical soup that is sea water.
As has always been true, the measurement process that we use selects only free calcium ions. The total calcium can be estimated by multiplying the ion concentration by a value between 1.1 to 1.2. The reason for the variability is that the total calcium concentration depends on things like abiotic precipitation rates and magnesium concentrations. The product of this calculation should be close to the values you get with a titration process. Your home titration kit is limited in its accuracy by the size of the drops, the consistency of the size of drops and human error so there is an inherent margin of error in both methods for arriving at total calcium concentrations. We encourage you to be consistent with how you choose to measure calcium and concentrate on the periodic changes and trends as the most meaningful information to apply to your routine.
Thank you for your business and let us know if you have any questions
This is what they sent me.
NOTE: AquariumWaterTesting.com has made a significant leap forward in the way we test calcium. Our senior staff has developed a new background solution to calibrate the calcium ion electrode that eliminates more interferences than ever. Though this was a fundamentally small adjustment, the values measured following the new calibration process do yield results that are much closer to the values you are used to seeing from home titration kits. So if you notice a jump in your calcium level from your last round of results, it will be due to this improvement in our ability to eliminate interferences from other ions in the complex chemical soup that is sea water.
As has always been true, the measurement process that we use selects only free calcium ions. The total calcium can be estimated by multiplying the ion concentration by a value between 1.1 to 1.2. The reason for the variability is that the total calcium concentration depends on things like abiotic precipitation rates and magnesium concentrations. The product of this calculation should be close to the values you get with a titration process. Your home titration kit is limited in its accuracy by the size of the drops, the consistency of the size of drops and human error so there is an inherent margin of error in both methods for arriving at total calcium concentrations. We encourage you to be consistent with how you choose to measure calcium and concentrate on the periodic changes and trends as the most meaningful information to apply to your routine.
Thank you for your business and let us know if you have any questions
Ralph ATL
Formerly mysterybox
could you post the results that they gave you? Also, what brand test kit?
There are so many ways that you can have tissue recession, however, I always like to eliminate what I have control over.
First:
basic tests of Salinity, ALK, PH, Calcium, Mag
Look at water flow & lighting
Look at fish that nip
look for predators as in Red Bugs, Nudies, Flatworms
Then, it's on to nutrients:
Get a Salifert test for nitrates (different brand that you have)
Get a DD Merck, HACH, or Colormeter phosphate test kit
Husbandry practices?
what food & how much? do you rinse it?
what r u dosing?
water changes? how often?
do you use phosphate reactor with GFO? Carbon?
Temp?
It's there in front of you, u just have to find it!
jansenwrasse
New member
Dawn Could you post the items you are dosing on a regular basis:
homemade 2 part.?
GFO ?
Carbon ?
Water change salt ?
Also what test kits are you using?
homemade 2 part.?
GFO ?
Carbon ?
Water change salt ?
Also what test kits are you using?
With good reason. Things like the following statement they make come under the heading of "if you can't dazzle them with your brilliance, baffle them with your ....."
While their reasons for variability might pertain to how much calcium your tank water can hold in solution, it is totally irrelevant to actually testing how much calcium is in any given sample. Besides, the need for a variable fudge factor is just plain ridiculous.
These are not the prob: Oceanic salt, LaMotte,etc. I have already checked these basics. this recession has gone on for a long time. The corals look good for 3 mos to a year to 2 years, depending on what it is, and then it recedes. I have tried moving up, down, more flow, less flow, diff skimmer. diff. lights. I'm to "maybe something is leaching into the water."
I run carbon or chemi pure a couple of times a month for sev. days. I understand not all corals like carbon, and could cause recession. I have a small sinularia dura, and another species- unsure of exact type of sinularia- have had it forever. The rest of my tank is mostly lps. I am experiencing caulistrea recession- and there were (4)- all in diff. lighting and flow situations. it didn't matter, they still receded. I have a pearl coral that is lifting from its skeleton.I have 2 more bubbles, and another pearl that are not, but the other pearl is showing some recession. These I've had from 3-5 months.
Doesn't need to be a huge quantity, but constant and changed regularly will be far better for maintaining water quality and stability than just a couple times a month. Have you checked phosphates?Similar threads
