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Search took 0.00 seconds. Search: Posts Made By: Randy Holmes-Farley
Forum: The Reef Chemistry Forum 01/11/2008, 06:35 AM
Replies: 30
Views: 19,367
Posted By Randy Holmes-Farley
Algae, macroalgae, and other organisms might...

Algae, macroalgae, and other organisms might rapidly deplete it, and carbon and skimming will export it when incorporated into organic forms, but there are no media sold to hobbyists that bind...
Forum: The Reef Chemistry Forum 01/09/2008, 07:34 PM
Replies: 30
Views: 19,367
Posted By Randy Holmes-Farley
I couldn't say that for sure, no.

I couldn't say that for sure, no.
Forum: The Reef Chemistry Forum 01/09/2008, 04:14 PM
Replies: 30
Views: 19,367
Posted By Randy Holmes-Farley
Bromide is tough to measure in seawater. There...

Bromide is tough to measure in seawater. There is an electrode available, but it is $800.
Forum: The Reef Chemistry Forum 01/03/2008, 06:54 AM
Replies: 30
Views: 19,367
Posted By Randy Holmes-Farley
It is made by Dow and so may have elevated...

It is made by Dow and so may have elevated bromide in it. If you use it as described in this thread, it is fine. If you use it to supplement calcium routinely, it might elevate bromide in the tank.
Forum: The Reef Chemistry Forum 01/02/2008, 03:11 PM
Replies: 30
Views: 19,367
Posted By Randy Holmes-Farley
Yes, it means for every one million parts by...

Yes, it means for every one million parts by weight of total product, there are 7,000 parts by weight of bromide.


So the amount of bromide added is about 7,000/1,000,000 times the total weight...
Forum: The Reef Chemistry Forum 12/31/2007, 10:31 AM
Replies: 30
Views: 19,367
Posted By Randy Holmes-Farley
When DOW states that the new Calcium flake...

When DOW states that the new Calcium flake contains 7,000. ppm bromide, does this mean that for every 1,000,000 calcium parts there are seven thousand bromide parts?

No. It is 7,00 ppm bromide...
Forum: The Reef Chemistry Forum 12/21/2007, 08:00 AM
Replies: 30
Views: 19,367
Posted By Randy Holmes-Farley
They may, but I expect they also saw the warning...

They may, but I expect they also saw the warning and accounted for it. The amount of bromide that would come in with 420 ppm calcium using the Dow material is substantially less than would be...
Forum: The Reef Chemistry Forum 12/20/2007, 11:23 AM
Replies: 30
Views: 19,367
Posted By Randy Holmes-Farley
Water changes will help. I don't think ozone...

Water changes will help. I don't think ozone makes a difference, since IO has lots of bromide already. :)
Forum: The Reef Chemistry Forum 12/20/2007, 08:01 AM
Replies: 30
Views: 19,367
Posted By Randy Holmes-Farley
Since we do not know the depletion rate for...

Since we do not know the depletion rate for bromide in aquaria, nor what particularly happens when it is elevated, it is hard to say if someone were to boost it a few percent each day whether that is...
Forum: The Reef Chemistry Forum 12/19/2007, 03:02 PM
Replies: 30
Views: 19,367
Posted By Randy Holmes-Farley
New Dowflake OK to Boost Calcium in Salt Mixes

As I've mentioned in other threads for years, I use Instant Ocean and boost the typical 360 ppm calcium by 70 ppm with Dowflake (and magnesium by 150 ppm with MAG flake).

Folks are now thinking...
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