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Search took 0.31 seconds. Search: Posts Made By: David Grigor
Forum: The Reef Chemistry Forum 01/09/2008, 11:30 AM
Replies: 5
Views: 902
Posted By David Grigor
I believe that is outdated info. Most common...

I believe that is outdated info. Most common brands salts are designed now to be used with RO/DI and even say so in the literature.
Forum: The Reef Chemistry Forum 01/08/2008, 03:52 PM
Replies: 10
Views: 2,056
Posted By David Grigor
The Kalkwasser twopart ( now bulkreefsupply )...

The Kalkwasser twopart ( now bulkreefsupply ) sells is made Mississippi Lime Company and is food grade. I bought a whole 50# bag from them thus it wasn't repackaged yet.
Forum: The Reef Chemistry Forum 11/14/2007, 05:46 PM
Replies: 17
Views: 891
Posted By David Grigor
How much live rock and what type. Denser rock is...

How much live rock and what type. Denser rock is better for reducing nitrates.
Forum: The Reef Chemistry Forum 10/26/2007, 03:34 PM
Replies: 21
Views: 794
Posted By David Grigor
Here is a quote from the article itself: "It...

Here is a quote from the article itself:

"It is twice as concentrated as Recipe #2, because the baking process makes the baking soda more soluble."

So just read the article, do what it says and...
Forum: The Reef Chemistry Forum 10/26/2007, 12:58 PM
Replies: 21
Views: 794
Posted By David Grigor
That is incorrect. You didn't do exactly what the...

That is incorrect. You didn't do exactly what the instructions said in the acticle.

Using unbaked baking soda, you should be following the directions for recipe #2.
Forum: The Reef Chemistry Forum 10/21/2007, 04:54 PM
Replies: 14
Views: 434
Posted By David Grigor
Never use buffers in a reef tank. My guess...

Never use buffers in a reef tank.

My guess would be the alkalinity is through the roof which could have as much to do with it as anything.

I'd do the water change.
Forum: The Reef Chemistry Forum 10/17/2007, 01:48 PM
Replies: 14
Views: 763
Posted By David Grigor
Your refugium is likely not sized large enough...

Your refugium is likely not sized large enough for your show tank to be able to compensate for the CO2 levels.

Regardless it is a CO2 issue. Dosing kalkwasser evenly throughout the night is...
Forum: The Reef Chemistry Forum 10/17/2007, 01:41 PM
Replies: 14
Views: 767
Posted By David Grigor
Well the most common talked about that can aid in...

Well the most common talked about that can aid in skimming,

ozone, kalkwasser ( with or without vinegar ), and vodka/sugar dosing.

All of which would need to be carefully researched before...
Forum: The Reef Chemistry Forum 10/16/2007, 05:56 PM
Replies: 8
Views: 936
Posted By David Grigor
Again, people have been using for more than 10...

Again, people have been using for more than 10 years, if there was an issue ( regardless if technical right or wrong ), there would have been sufficient evidence that it is indeed harmful to fish by...
Forum: The Reef Chemistry Forum 10/16/2007, 04:17 PM
Replies: 8
Views: 936
Posted By David Grigor
If your going to drink it why do you even have it...

If your going to drink it why do you even have it running through your DI ? Bypass DI for drinking water.

If nuclear grade is not suitable for fish then you would have heard about this LONG...
Forum: The Reef Chemistry Forum 10/01/2007, 03:39 PM
Replies: 2
Views: 287
Posted By David Grigor
Many people use a 2 part additive and Kalkwasser...

Many people use a 2 part additive and Kalkwasser but must be dosed seperately. You can't mix them together or they will precipitate.

You must also supplment an ALK additive and not just CA alone....
Forum: The Reef Chemistry Forum 10/01/2007, 03:31 PM
Replies: 20
Views: 1,084
Posted By David Grigor
Biology professor at a local college is in our...

Biology professor at a local college is in our reef club and has used turf scrubber for more than 10 years. However, the dumping every few minutes is not something most people want to listen too in a...
Forum: Reef Discussion 09/28/2007, 03:23 PM
Replies: 24
Views: 1,221
Posted By David Grigor
Skimmerless tanks takes a couple years to...

Skimmerless tanks takes a couple years to determine success or not. Any tank in just about any configuration can do without a skimmer for 6 months. It takes a while for excess nutrients etc. to...
Forum: Florida Panhandle Reefkeepers 09/07/2007, 03:49 PM
Replies: 20
Views: 619
Posted By David Grigor
Data is good and all but I'd at least what until...

Data is good and all but I'd at least what until you have some experience with it. Since the bm160 is out of stock. He couldn't order it even if he wanted too.

I find it perfectly logical to...
Forum: The Reef Chemistry Forum 09/07/2007, 11:18 AM
Replies: 8
Views: 349
Posted By David Grigor
What was the brand/model of the pump ?

What was the brand/model of the pump ?
Forum: The Reef Chemistry Forum 08/31/2007, 12:26 PM
Replies: 19
Views: 520
Posted By David Grigor
1250ppm is nothing to be concerned about and...

1250ppm is nothing to be concerned about and likely not low enough to see any physical changes with the tank inhabitants. Usually start to get concerned when nearing 1100 and it's pretty serious when...
Forum: Reef Discussion 08/29/2007, 12:08 PM
Replies: 55
Views: 2,826
Posted By David Grigor
I don't really like it when people say "Dirty"...

I don't really like it when people say "Dirty" water. To me all reef tanks should strive for low nitrates, low phosphates, and to keep CA/ALK/MG at or above NSW levels as consistant as possible. If...
Forum: Reef Discussion 08/22/2007, 05:41 PM
Replies: 8
Views: 453
Posted By David Grigor
Really tuff to kill....... I've had a severed...

Really tuff to kill....... I've had a severed portion of a RBTA foot survive. No tentcles, no mouth......about 3 months later you would never have known... it was once just a foot. About 2 months...
Forum: Reef Discussion 08/22/2007, 05:26 PM
Replies: 42
Views: 2,777
Posted By David Grigor
At night when respiration occurs is when your...

At night when respiration occurs is when your tank is at it lowest oxygen levels. Cutting off the return pump would never be anything I'd recommend. There are tons of factors which contribute to...
Forum: New to the Hobby 08/22/2007, 05:16 PM
Replies: 5
Views: 403
Posted By David Grigor
Combination of both. IMO: The more means of...

Combination of both. IMO: The more means of exports to limit nitrate/phosphate the better. Skimmer, siphoning detritus, water changes, and harvesting macro algae. While I use miracle mud as my...
Forum: The Reef Chemistry Forum 08/21/2007, 11:30 AM
Replies: 18
Views: 713
Posted By David Grigor
Without spending quite a bit of money, your test...

Without spending quite a bit of money, your test kit is the limiting factor. The lower end kits can't detect organic phosphates.

So most definately yes you can still have phosphates levels when...
Forum: The Reef Chemistry Forum 08/20/2007, 10:32 AM
Replies: 22
Views: 404
Posted By David Grigor
You've pretty much gone over the alternatives....

You've pretty much gone over the alternatives. Kalkwasser and/or outside air.

Otherwise, you pretty much just have to live with your current PH levels which as long as Alkalinity and CA levels...
Forum: The Reef Chemistry Forum 08/20/2007, 10:25 AM
Replies: 2
Views: 222
Posted By David Grigor
Yes it can be diluted to any concentration you...

Yes it can be diluted to any concentration you want. Just use RO/DI water.
Forum: Lighting, Filtration & Other Equipment 06/08/2007, 04:58 PM
Replies: 29
Views: 829
Posted By David Grigor
Exactly.

Exactly.
Forum: Lighting, Filtration & Other Equipment 06/08/2007, 04:52 PM
Replies: 29
Views: 829
Posted By David Grigor
It doesn't take away. It dilutes. I'm saying it...

It doesn't take away. It dilutes. I'm saying it is a very common misconception people make when they say and/or believe it strips, leaches or whatever you want to call it.
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