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lbraggs
08/27/2016, 01:24 AM
have a 220 tank that's been set up for 6 months having problems with alk I started out using brs 2 part but with the mixing and it takes about 3 times the amount so I switched to seacheam. my alk is about 7.5 and cant get it above that .ph 7.7 cal 425 mag 1260.temp 79.3 to 80 salinity 1.026 all is very stable doesing 180 alk 120 cal few small corals lot of new coralline growing. 35 gal water change every week, is it normal to have to add that much alk ?also have what looks like salt floating in water. new box of io mix the same way I always do, bad box maybe? have 3 clowns yellow tang brain coral and a plating coral. any help would be great .

Psirex
08/27/2016, 05:21 AM
What are you using for test kits?

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Psirex
08/27/2016, 05:22 AM
Dosing 180ml?

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lbraggs
08/27/2016, 07:06 AM
Red Sea for alk mag cal salifert for ph . I dose 180 ml of alk a day

Psirex
08/27/2016, 07:27 AM
I would test the alk solution in a some fresh rodi water to see if it is raising the alk at a proper level.

Also use a cheap API test to verify the numbers - if you haven't already....

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Psirex
08/27/2016, 07:28 AM
How old are the test kits?

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lbraggs
08/27/2016, 08:00 AM
there new test kits I changed them out then took some water to lfs and alk was I little higher there

lbraggs
08/27/2016, 08:03 AM
any ideas on why it looks like salt floating in the water

Psirex
08/27/2016, 08:23 AM
Float as in on the surface? Or suspended in the water column?

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lbraggs
08/27/2016, 08:36 AM
in the water column looks like salt didn't mix
I mix salt in 40 gal container with power head for at least a day
I was using brs 2 part when that started about 2 weeks ago

Ricardo18
08/27/2016, 09:57 AM
in the water column looks like salt didn't mix
I mix salt in 40 gal container with power head for at least a day
I was using brs 2 part when that started about 2 weeks ago

I do know that when you first mix up a batch of salt, you are not supposed to vigorously mix it for more than 4 hours, or there will be fall out (not crystals, but just "milk")..then you do not have to circulate it at all. If you do circulate it after the initial mix, you will be stirring up all the natural fallout at the bottom of your mixing bin and suspending this fallout in the water column.Stop circulating the mixing bin.Mix your salt for an hour or so and then walk away!

Psirex
08/27/2016, 11:39 AM
Surprised the skimmer isn't pulling it at this point though - use a filter sox to help catch the suspended particles.

But mix it for an hour and be done with it.

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Psirex
08/27/2016, 11:39 AM
What are the alk levels on a fresh mixed batch?

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lbraggs
08/27/2016, 12:21 PM
I use filter socks and new mix is 10.5 alk and 350 cal. so just mix for an hour and do water changes

lbraggs
08/27/2016, 01:27 PM
just had water tested at lfs with another red sea test alk 11.2 cal 350 mag 1200
my test alk 8.4 cal 410 mag 1240
think I'm going to add some secheam mag try to up that and see how things go from there.

Psirex
08/27/2016, 01:29 PM
The mag is fine try to get the alk down to about 9 by dosing a little more calc as well

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lbraggs
08/27/2016, 09:10 PM
ok thanks for the help