ATO used as Kalk Doser?

This is one of those times where doing more could just induce more stress. Also 9 scoops is quite a bit, have you determined that your corals are absorbing enough calcium that you need to resupply that much?

Excessive calcium will induce a "snow storm" effect and can be stressful.

I would take your time to do a normal water change when you can, but not with Kalk mix. Maybe even hold off on the lime water and run some additional tests.

okay thank you..Thats what i will do. All my corals are sucked up right now and secreting ooze.
 
I did kalk in my ato for nearly 3 years with great success, but it's not without it's challenges. First, kalk can crash your tank if it's overdosed, so I knew I needed the most reliable ATO I could find. For me that was the Tunze Osmolator. Second, I found that corals did their best with tiny little additions many times a day. The osmolator delivers this due to it's high sensitivity. Lastly, I did play with the saturation, but eventually I did full saturation as my corals grew.

Quick overview of my process:
1. Fill my ATO reservoir.
2. Mix at 2 tablespoons / gallon with a pump by slowly adding kalk powder to the container with the pump mixing at the same time.
3. Let the mixture settle for a couple of hours (usually I would run an errand or two).
4. Start ATO and let the dosing begin.

After this process I wouldn't disturb or mix anymore. I would just leave it alone until the reservoir was emptied.

Good luck.
 
I did kalk in my ato for nearly 3 years with great success, but it's not without it's challenges. First, kalk can crash your tank if it's overdosed, so I knew I needed the most reliable ATO I could find. For me that was the Tunze Osmolator. Second, I found that corals did their best with tiny little additions many times a day. The osmolator delivers this due to it's high sensitivity. Lastly, I did play with the saturation, but eventually I did full saturation as my corals grew.

Quick overview of my process:
1. Fill my ATO reservoir.
2. Mix at 2 tablespoons / gallon with a pump by slowly adding kalk powder to the container with the pump mixing at the same time.
3. Let the mixture settle for a couple of hours (usually I would run an errand or two).
4. Start ATO and let the dosing begin.

After this process I wouldn't disturb or mix anymore. I would just leave it alone until the reservoir was emptied.

Good luck.


You say that you use 2 table spoons per gallon of water?

I've read that 2 teaspoons per gallon of water will reach a full saturation.

Maybe a typo?
 
I did kalk in my ato for nearly 3 years with great success, but it's not without it's challenges. First, kalk can crash your tank if it's overdosed, so I knew I needed the most reliable ATO I could find. For me that was the Tunze Osmolator. Second, I found that corals did their best with tiny little additions many times a day. The osmolator delivers this due to it's high sensitivity. Lastly, I did play with the saturation, but eventually I did full saturation as my corals grew.

Quick overview of my process:
1. Fill my ATO reservoir.
2. Mix at 2 tablespoons / gallon with a pump by slowly adding kalk powder to the container with the pump mixing at the same time.
3. Let the mixture settle for a couple of hours (usually I would run an errand or two).
4. Start ATO and let the dosing begin.

After this process I wouldn't disturb or mix anymore. I would just leave it alone until the reservoir was emptied.

Good luck.

If my tank did crash due to Kalk overdose. What steps should i do next after waterchanges? I did about 3 water changes of 5 gallons in one week. Should i still dose kalk to the new water? or dilute what i have remaining in my reservoir? I think i might have did too much of a waterchange and removed some good bacteria. Should i add some bio-spira marine?
 
Sorry for too many questions. I want to salvage what corals are left and prevent this from happening again. Btw i recently installed a sump that added 10 more gallons of volume. thats when i started seeing more of the effect of the crash. Cant pinpoint what was the problem. The Added sump or the overdose. Maybe both ?
 
If it were me I would just lay off on the kalk at the moment and just do water changes. I was running kalk myself in an ato an d think I may have over dosed some how. I checked my parameters last nite they were
Ph 8.4
Alk 12-13
Cal 520
So as of today I stopped dosing kalk and will just be adding ro/di water to my top off till my parameters level back out
 
Oh and I wouldn't put the biospira in just wait it out the corals might be fine. If they are dieing for sure the skin will start receding from the base IME
 
I checked my parameters.

Cal- 380
Alk- 7 dkh
Ph- 7.8
Nitrate- 0
Ammonia- 0
Phosphate- 0
Salinity- 1.023
Temp- 81

Everything started going downhill for my corals and fish once i added the sump with PVC Piping. I wonder if it was the pvc cement and primer used to bond the pipes. The water is foggy also.
 
I'm assuming the foggyness is from either to much kalk or kalk that wasn't settled when used. I had the same problem. Just do water changed. Stop with the kalk it will clear up and everything should be fine
 
Fogginess sounds like precipitation, which indicates too much kalk too quickly. Best thing to do is to prevent these types of events, but since that's in the past, here what I would do:

1. Stop adding Kalk in your ATO completely.
2. Wait until fogginess clears up completely.
3. Once fogginess is gone, you can resume Kalk additions, but only at half potency. 1 teaspoon per gallon is a good start.

Good luck.
 
Fogginess sounds like precipitation, which indicates too much kalk too quickly. Best thing to do is to prevent these types of events, but since that's in the past, here what I would do:

1. Stop adding Kalk in your ATO completely.
2. Wait until fogginess clears up completely.
3. Once fogginess is gone, you can resume Kalk additions, but only at half potency. 1 teaspoon per gallon is a good start.

Good luck.

I was actually using less then 1 teaspoon per gallon originally. 9 teaspoons for my 13 gallon reservoir
 

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