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Search took 0.11 seconds. Search: Posts Made By: mattboy
Forum: The Reef Chemistry Forum 01/02/2008, 10:45 AM
Replies: 2
Views: 347
Posted By mattboy
The schuran media has far less surface area due...

The schuran media has far less surface area due to the larger pieces; I guess this is to keep flow in the reactor going. It's probably going to take more CO2 than you're used to using to get the ph...
Forum: The Reef Chemistry Forum 09/29/2007, 09:01 AM
Replies: 5
Views: 280
Posted By mattboy
Are you just putting some of your live rock back...

Are you just putting some of your live rock back in or getting new pieces? Do you currently have a deep sand bed, and how are you planning on removing it? Are you going to drain the tank?

You...
Forum: Lighting, Filtration & Other Equipment 09/29/2007, 08:52 AM
Replies: 99
Views: 189,480
Posted By mattboy
Sorry if this has been asked and answered, I did...

Sorry if this has been asked and answered, I did scroll through several pages. I just bought a Ushio 20k 250E DE bulb. I'm trying to get PPFD values for it from Sanjay's site. Is it the same bulb as...
Forum: The Reef Chemistry Forum 09/15/2007, 08:06 PM
Replies: 26
Views: 728
Posted By mattboy
If you carefully calibrate your ph probe, you...

If you carefully calibrate your ph probe, you might find your ph is a little higher. If it's not, and you really want to raise it, drip some KW. There are ways of dosing KW as part of an auto top...
Forum: The Reef Chemistry Forum 09/07/2007, 03:19 PM
Replies: 10
Views: 590
Posted By mattboy
Are you saying that raising Ca levels will force...

Are you saying that raising Ca levels will force down Alk levels? I don't think that's true, outside of precipitation, in which case both Ca and Alk will drop quickly.
Forum: The Reef Chemistry Forum 08/15/2007, 09:31 PM
Replies: 4
Views: 249
Posted By mattboy
I found using Randy's 2 part resulted in my alk...

I found using Randy's 2 part resulted in my alk tending to read a little low as well, so I made up a batch with about 15% or so more baking soda, and now it works great. So, there might be a little...
Forum: The Reef Chemistry Forum 08/15/2007, 09:25 PM
Replies: 12
Views: 689
Posted By mattboy
I hate to tell you this, but it's entirely...

I hate to tell you this, but it's entirely possible that your alkalinity is much lower than you think, if you're dosing "purple up." I believe that product is primarily ground up calcium carbonate;...
Forum: The Reef Chemistry Forum 08/13/2007, 10:09 PM
Replies: 12
Views: 459
Posted By mattboy
One thing you might try is to turn off your...

One thing you might try is to turn off your reactor for a few weeks, and manually dose 2 part Ca/Alk supplement. In your case if you do the DIY version you should bake the baking soda. Just try it...
Forum: The Reef Chemistry Forum 08/11/2007, 06:48 AM
Replies: 7
Views: 350
Posted By mattboy
I think you may have a testing problem. I suspect...

I think you may have a testing problem. I suspect that there are particles of sand dust from replacing the sand bed that are skewing your test results, (or maybe something else is) or your test kit...
Forum: The Reef Chemistry Forum 08/10/2007, 03:20 PM
Replies: 7
Views: 447
Posted By mattboy
If the vinegar you already added doesn't do the...

If the vinegar you already added doesn't do the job, go for the seltzer water, just get a bottle of soda water and start adding it. Your ph will come down pretty quickly. To head off any near-future...
Forum: The Reef Chemistry Forum 08/09/2007, 11:37 PM
Replies: 10
Views: 386
Posted By mattboy
The peristaltic pump is a lifesaver to me. I have...

The peristaltic pump is a lifesaver to me. I have two; one for KW, and one with 2 channel tubing for Randy's 2 part. The thing I like the best about it is that it's impossible to seriously overdose...
Forum: The Reef Chemistry Forum 08/09/2007, 01:21 PM
Replies: 10
Views: 684
Posted By mattboy
Not sure how your calcium got that high, but I...

Not sure how your calcium got that high, but I suppose it doesn't really matter. Alk tends drop much more quickly because there's less (bi)carbonate in seawater than calcium, so, proportionally a...
Forum: The Reef Chemistry Forum 08/09/2007, 01:15 PM
Replies: 22
Views: 575
Posted By mattboy
Well, having built around 50 calcium reactors for...

Well, having built around 50 calcium reactors for use in systems from 100 to over 1,000 gallons and having done ALOT of experimenting with reactor ph, I can tell you from my personal experience that...
Forum: The Reef Chemistry Forum 08/07/2007, 11:18 PM
Replies: 22
Views: 575
Posted By mattboy
I would strongly suggest you run the reactor at...

I would strongly suggest you run the reactor at the optimum ph for dissolving the media you're using regardless of your alkalinity demand. You then adjust the effuent drip rate to match your...
Forum: The Reef Chemistry Forum 08/06/2007, 05:37 PM
Replies: 5
Views: 460
Posted By mattboy
Actually I don't think this is true. The effluent...

Actually I don't think this is true. The effluent ph would rise, but the effluent dkh would drop and you'd still be pumping a greater amount of low ph water into your tank. My experience with...
Forum: The Reef Chemistry Forum 08/06/2007, 10:58 AM
Replies: 5
Views: 460
Posted By mattboy
I would not increase the effluent flow at that...

I would not increase the effluent flow at that reactor ph. I'd be worried about depressing the tank ph. I'd be more tempted to follow bertoni's advice and shut down the reactor for a brief time until...
Forum: The Reef Chemistry Forum 08/04/2007, 07:40 PM
Replies: 5
Views: 304
Posted By mattboy
Rowaphos vs phosban

Has anyone who has used both of these products found that one is easier and/or better to use? I'm about to use one of them (never have used a phosphate remover) but I don't know which one. I suspect...
Forum: The Reef Chemistry Forum 08/04/2007, 07:26 PM
Replies: 8
Views: 306
Posted By mattboy
Don't worry too much about a build up of chloride...

Don't worry too much about a build up of chloride ions. Chloride is the most abundant ion in water, like alost 20,000 PPM I believe, so if you're adding 90 PPM calcium chloride, you're only raising...
Forum: The Reef Chemistry Forum 08/04/2007, 07:16 PM
Replies: 10
Views: 412
Posted By mattboy
I notice the same magnesium hydroxide...

I notice the same magnesium hydroxide precipitation when adding the high ph alk part by hand. However, I set up a peristaltic pump (innovative aquatics w/2 channel tubing) to dose the 2 part and it...
Forum: The Reef Chemistry Forum 08/03/2007, 09:22 AM
Replies: 10
Views: 429
Posted By mattboy
If by "reserve tank" you mean your source of...

If by "reserve tank" you mean your source of top-off water, yes that is where you'd add the KW. Just mix it in and let it sit. One guy I know floats bubble wrap on top of his top-off reservoire to...
Forum: The Reef Chemistry Forum 08/03/2007, 08:54 AM
Replies: 9
Views: 428
Posted By mattboy
I'd keep the reactor ph low and lower the drip...

I'd keep the reactor ph low and lower the drip rate a little. This means you'll lower both the effluent drip rate and the CO2 flow. Does your ac jr control the reactor ph? If so, maybe you just lower...
Forum: The Reef Chemistry Forum 05/16/2007, 07:29 AM
Replies: 9
Views: 393
Posted By mattboy
Try the innovative aquatics nautilus with the two...

Try the innovative aquatics nautilus with the two channel tubing.
Forum: The Reef Chemistry Forum 05/14/2007, 06:51 PM
Replies: 9
Views: 393
Posted By mattboy
I always do five gallons at a time and it sits...

I always do five gallons at a time and it sits for a few months, no problems.
Forum: The Reef Chemistry Forum 05/08/2007, 03:33 PM
Replies: 22
Views: 409
Posted By mattboy
I have a feeling your ph measurement is off. 8.8...

I have a feeling your ph measurement is off. 8.8 is really high, even with KW. I just don't see how it would get that high, unless you're really overdosing the b-ionic alk part, and even then I...
Forum: The Reef Chemistry Forum 05/08/2007, 08:10 AM
Replies: 22
Views: 1,047
Posted By mattboy
Is there any reaon at all why you couldn't just...

Is there any reaon at all why you couldn't just use a calcium reactor as one of these? I have a spare reactor sitting around and I'd be happy to buy some of the sulphur media and give it a try. I...
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