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  #91  
Old 09-16-2019, 10:11 PM
jacky jacky 目前離線
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Hello danno45. If I understand your question, do you mean that the dose pump has a problem? What is the plan for administration? (kh, ca ?)

"The second part is administered 1/2 gallon." I don't know your formula, what kind of element is it? This number looks quite huge
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  #92  
Old 09-17-2019, 02:25 AM
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G.Alexander G.Alexander 目前離線
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Sorry to hear but as a quick increase of KH does stress corals a quick drop is doing the same. I would recommend you to let it drop slowly by switching off the KH supplement.

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  #93  
Old 09-17-2019, 10:29 AM
danno45 danno45 目前離線
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Yes Jacky the first part is kh and second is cal.
G. Alexander and Jacky the kh was fine it was just the cal that dosed 1/2 gal. This happened 9 days ago. I turned off the dose pumps at that time and did a ten percent water change.
I took a sample of the water. The KH is 7.2 and the cal still no reading.

I took a test this morning just tank water. Tested kh is 7.1 and cal still cant get a reading on it.
Then I took 250 ml of tank water and 250 ml ro/di with fresh mixed salt,mixed them together. Tested kh and its still 7.1 Tested cal. Still cant get a reading.
I did a twenty percent water change after that and tested again kh 7.2 and cal looks like it wants to change colors. Im using Hanna checker for kh and salifert for cal. My thought was a bigger water change? Like fifty percent Im wondering what you are thinking? All corals are looking good the one that was light is starting to get color back. Thanks for any thoughts.
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  #94  
Old 09-17-2019, 01:20 PM
jacky jacky 目前離線
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"The second part is Ca and the inability to measure Ca levels." I believe that such conditions may be true. And, "After I did a 20% change of water and tested kh 7.2 again and cal seems to want to change the color" this should be a third-party testimony.

The Salifer test kit, when the test result is higher than the reading on the syringe, you only need to act again, add the value of this "action" to the original value, you can get the value out of range. (Do you know what I mean?)


The extra idea is that we can check if the salinity is correct (300 liters, 50 liters of fresh water @Ca, which is close to 1/6), and whether the Mg element is normal.

But from your narrative, the corals are generally healthy. If the salinity is abnormally large, the corals should be "spinning". Maybe the salinity is acceptable. It is good to check the salinity anyway.
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  #95  
Old 09-17-2019, 01:37 PM
jacky jacky 目前離線
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If Ca is indeed high and the coral is in good condition, if it is me, I will not make a one-time 50% water change. I may change the water to 20% per week, or 3 times in 10 days. If the consumption of Ca in the original tank is fast, I only need to pay attention to whether the salinity is correct, and whether the Mg Kh K+ is normal, and stabilize it, so that Ca is naturally consumed. (if all corals are healthy)
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  #96  
Old 09-17-2019, 04:40 PM
danno45 danno45 目前離線
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Ok mag. Is 1340 salifert test,kh is7.1 Hanna checker, k+ 390 salifert. Everything is looking good even the one coral is starting to look better.


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  #97  
Old 09-17-2019, 04:43 PM
danno45 danno45 目前離線
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Ill do more small water changes will see if it brings it down.


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  #98  
Old 09-17-2019, 06:05 PM
jacky jacky 目前離線
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Thank you, its good to do it slowly, maybe in 10 days, 15% do 3 times, it should be good.
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  #99  
Old Yesterday, 01:48 AM
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Just wanted to be sure I understand you correct, you are not able to detect any Ca with your Ca test ?

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  #100  
Old Yesterday, 02:59 AM
danno45 danno45 目前離線
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Yes G.Alexander I test for ca with salifert test its pink and when you do the last step of the test at some point its supposed to turn blue in the end its still pink.


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  #101  
Old Yesterday, 04:01 AM
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Not sure if I would trust the test to much as it should for sure measure Ca. Do you have a chance to cross check Ca with a different, accurate test kit ?

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  #102  
Old Yesterday, 04:21 AM
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If you use a salt mixture, then maybe we can also test to see the Ca value of the salt mixture to judge, what do you think?
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  #103  
Old Yesterday, 08:40 AM
danno45 danno45 目前離線
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G.Alexander and Jacky I checked with API kit and 2 different salifert kits. For ca they are vary close
I just check my ro/di new mix and the
Ca 460
Kh 6.8
Mag is 1360

Salt mix is tropic morin pro reef



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  #104  
Old Yesterday, 09:45 AM
jacky jacky 目前離線
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If the new mixture is close to the same test value, then it may be believed. Whether there is such an imbalance between huge elements, my experience is not enough to give you a correct judgment. Maybe such a relationship cannot exist / balance?

An additional idea is to test Ro/di water to see what its value is (it shouldn't be measured). I will think so, cross comparison. Ro/di water - old water - new water - 3 ~ 4 types of test kits

Or a nearby friend to help cross test or get a new test package
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  #105  
Old Today, 02:15 AM
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G.Alexander G.Alexander 目前離線
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Those levels are OK and will not cause issues but both seem to be a little bit high. I would try to cross check salinity with a different accurate instrument just to make sure it is not to high, which will in result show elevated levels of the main elements, just as a precaution.

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