Cloudiness and bubbles in sump

Shirak

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is it possible the white specs I’m seeing are undissolved salt? I mixed for 2 1/2 hours. just like I had done before when I started the tank. only this time in a 5 gal bucket. so it was a 4 gal water change
It’s possible some calcium has precipitated out. You mentioned pH 8.4 which is pretty high. There should be mixing directions on the salt mix. I have not used the salt you are using but if it mixes at a dkh of 12 like someone else mentioned then it wouldn’t surprise me to see some calcium carbonate at the bottom of the bucket
 
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Shirak

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Bring you bucket water up to tank temperature then drop a small power head in and add the salt slowly. I use an led flashlight and shine it into the water. If you can see the light beam there are undissolved particles still. Let circulate until it’s clear. Turn off the pump and let it settle. Different salt mixes take different amounts of time before they are fully dissolved. BRS did an interesting video on this subject. While interesting I don’t think it’s the crux of the problem though.
 
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ReefJunkie28
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Bring you bucket water up to tank temperature then drop a small power head in and add the salt slowly. I use an led flashlight and shine it into the water. If you can see the light beam there are undissolved particles still. Let circulate until it’s clear. Turn off the pump and let it settle. Different salt mixes take different amounts of time before they are fully dissolved. BRS did an interesting video on this subject. While interesting I don’t think it’s the crux of the problem though.
yeah I watched it before I mixed. here’s the bucket, and instructions. I did what it had said on it. there’s also a pic of the dirty bubbles and the calibration fluid

F669DC2E-A510-4AD9-9BF2-94DC6FCF990C.jpeg E9068F3A-1A77-4EE5-AFA5-8B7C631CBC93.jpeg A48C9EE0-6126-4A28-9BDF-6F78C4C43168.jpeg
 

Shirak

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Are you running a protein skimmer? Looks like some bubbles collecting a little in the sump which will happen over time in the absence of a skimmer. You can scoop the bubble scum out..Calibration fluid looks fine for a refractometer. I wouldn’t use rodi to calibrate, just the solution.
so what would I do?
Check refractometer with the solution
Check tank salinity again.
Check tank alk using 10ml sample
Mix up bucket of salt (personally I would go to 1.026 salinity)
Check alk of new salt water to see if it reads what bucket says. If not there is an issue with the salt or the test
 
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ReefJunkie28
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Are you running a protein skimmer? Looks like some bubbles collecting a little in the sump which will happen over time in the absence of a skimmer. You can scoop the bubble scum out..Calibration fluid looks fine for a refractometer. I wouldn’t use rodi to calibrate, just the solution.
so what would I do?
Check refractometer with the solution
Check tank salinity again.
Check tank alk using 10ml sample
Mix up bucket of salt (personally I would go to 1.026 salinity)
Check alk of new salt water to see if it reads what bucket says. If not there is an issue with the salt or the test
I think I found my problem. I think it’s the salt that didn’t dissolve. that would explain why my alk is so low, and the white particles. no I’m not running a slimmer but that’s good to know I can just scoop them out.
 

Shirak

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saying that. what in the world do I do now
Sodium bicarbonate/baking soda to raise it OR water change again. The salt mix should mix to a pretty high dkh which will increase overall alk in your tank. Try adding the salt a little slower and mixing vigorously when adding to try and minimize precipitation. I like to add the salt in stages. Add 1/3 then give it 5 min and add some more.. until it’s all in. I don’t premeasure though. I have a rough idea how many scoops I need since I use the same scooper each time. When I’m getting close I use the refractometer to get it exactly where I want making sure I give it sufficient time to test salinity properly.
 

Daddy-o

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I mix "Black Bucket" every day in a 5 gallon bucket. I stole a 1/2 cup measuring cup from my wife. I measured 4 gallons RODI into the bucket and marked the outside water level with a Sharpie. Now I add water to the line, drop a heater and powerhead into the bucket, add 4 level scoops with the 1/2 cup scoop, I let it run for 30 minutes, stir it up with a stick and in an hour I check with refractometer and adjust as needed.
Cheers! Mark
 
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ReefJunkie28
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I mix "Black Bucket" every day in a 5 gallon bucket. I stole a 1/2 cup measuring cup from my wife. I measured 4 gallons RODI into the bucket and marked the outside water level with a Sharpie. Now I add water to the line, drop a heater and powerhead into the bucket, add 4 level scoops with the 1/2 cup scoop, I let it run for 30 minutes, stir it up with a stick and in an hour I check with refractometer and adjust as needed.
Cheers! Mark
thanks a lot. I use a 1/2 cup measuring cup too. I just went and got a black bucket to mix so I can see the salt if it’s not dissolved. seems maybe I was adding the salt a little fast..
 
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