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#51
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Steve - DFWMAS Member Click on the red house to view my build thread |
#52
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My tap water is around 176 TDS. The old membrane was 6 TDS, and the new one is 3 TDS. Looks like my DI is shot though so I'll have to replace that soon. It is barely pulling anything out because TDS are 2 coming out of the DI. It has almost completely changed color, so I knew it was almost spent.
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Marc Levenson - member of DFWMAS |
#53
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Hey marc I have a question about that spaflex tubing: What kind of connectors does it use (if any) like could it be hooked up to regular PVC? Also I have this overflow (SOS)
http://www.drsfostersmith.com/produc...89&pcatid=3589 bought from a local reefer and normal sized PVC fittings (90's 45's T and X) do not fit they are all way way too loose I was going to use Pool tube but they lengths are way too long for what I need and if I can use Spaflex with PVC I am sure it will fit the overflow connection.
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- Tanner |
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I'm not Marc but spaflex is sold in the same sizes as PVC and is considered to be the equivalent of flexible PVC. Because it's flexible, it does perform better with specialized spa-flex cement (or at least thicker cement than normal) to do your connections rather than standard PVC cement though standard PVC cement CAN work. Spaflex and PVC can be connected to each other since they're designed to be interoperable. If regular PVC doesn't fit properly in the fittings, I doubt spaflex will fit either.
Spleen Last edited by spleen93; 11/13/2007 at 10:28 PM. |
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spaflex (flexible pvc) has the same outer diameter as regular PVC pipe. It will glue up to regular PVC fittings and pipe.
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I have nothing to put here because all my writers are on strike! |
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you also MUST be careful about "spa-flex" because there are multiple items sold under that general name, and some of them are not actually flexible PVC. I got some from Custom Aquatic and it looks extremely similar to the real stuff, although it is a little more flexible and a little more shiny. That stuff WILL NOT glue up to standard PVC with standard PVC cement. In fact I have tried hybrid cements with poor results as well. CA had no idea that they had the wrong product.
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Jonathan--DIBS Breeder and Card carrying member of the Square Skimmer Brigade (Click on the Red House to see my pics garage) |
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wow thanks for the info. hmm, is the inside diameter the same as regular PVC, cause maby I could slide the spa-flex over the outlets from the overflow and add some clamps.
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- Tanner |
#58
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Saw Marc's tank last night. Some very good growth since I saw it last year. The leather on the right side of the tank is huge...
As always had a good time just talking tanks with Marc and his son. Thanks for all the help... |
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RO/DI question?
Marc, is there any way to test TDS other than the electronic meters? Would a general hardness test give the same results?
I really want to get one of the RO/DI units you sell, but I'm worried my tap water will clog the RO membrane in short order. It's very hard, and high in Iron and Manganese, so I'm trying to figure out just what home filtration I need. Unfortunately, the only water quality experts I can find locally just tell me I need to buy their system. Thanks. Phil |
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Given how cheap the TDS meters are, wouldn't it just be easier to purchase one instead of spending money on a hardness kit and its reagents? The advantage of the meter is that it's instantaneous results and given how regularly you'll be checking it, this is probably one of the few cases (maybe pH meters also) where going electronic is better than doing the test kits.
Spleen |
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Because I already have the test kit from my freshwater days. OK, I still have my freshwater tanks, 4 total, but they've been so stable for so long that I never test them anymore.
Phil |
#62
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Jonathan--DIBS Breeder and Card carrying member of the Square Skimmer Brigade (Click on the Red House to see my pics garage) |
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Spleen |
#64
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I have nothing to put here because all my writers are on strike! |
#65
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FYI, you can 'relax' Spaflex by putting it in the oven @ 200 or so for 10 minutes. Then it can be laid out / straightened to whatever shape you want.
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I think I am going to have to take my overflow to the store and try to find something to fit it! I am now taking bets for how many times I am going to be asked "what the heck is that" lol. Thanks for the help!
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- Tanner |
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Wow!!! Nice looking rays.
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What I would do is slide the Spa flex over the pipes coming from my overflow and clamp and glue and what ever else it takes to keep it on then just run it like 3 feet into my sump. It is either this or pool hose, which I doubt will fit, but it might....
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- Tanner |
#69
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it would be better to have PVC fittings for it to slide into for gluing.
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Jonathan--DIBS Breeder and Card carrying member of the Square Skimmer Brigade (Click on the Red House to see my pics garage) |
#70
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It is very important that you put a hoseclamp on the fitting where it is connected beneath the overflow. Even though the hose will fit tightly, gravity pulls non-stop and eventually it could be a real problem if it ever popped loose. Your tank would continue to fill up from whatever water is in the return section of the sump, and the overflow box would dump water behind the tank on the floor for the duration.
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Marc Levenson - member of DFWMAS |
#71
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Re: RO/DI question?
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PSI Temperature Phosphate Nitrate Chlorine and TDS. If your water is very hard, and you've opted to install a water softener in your home, run the RO/DI system after the water softener. This will allow the system to work more easily and the filters will last longer than if they were processing the raw hard water. You mentioned using freshwater kits. Are they pretty old? Perhaps the readings are no longer accurate at this point.
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Marc Levenson - member of DFWMAS |
#72
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I don't glue hot fittings, as I don't know if that will be a problem down the road. It cools off relatively quickly, so I just bend it the direction I need it to run, and keep it in that pattern as it cools.
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Marc Levenson - member of DFWMAS |
#73
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I might try to see if there is any tubing that might fit I dont really need 8 feet of hose lol ...... anyone happen to know the ID of the pool hose? Thanks!!!
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- Tanner |
#74
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Quick video from tonight. Sitting on the floor in front of the reef provides an interesting perspective. The colors are striking, plus I can enjoy the surface agitation.
http://www.melevsreef.com/video/280g_111507.wmv (18 megs - Please Right Click & Save As to your harddrive)
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Marc Levenson - member of DFWMAS |
#75
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very nice vid. 18 megs?
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Jonathan--DIBS Breeder and Card carrying member of the Square Skimmer Brigade (Click on the Red House to see my pics garage) |
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