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TonyInVa

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    Not sure what is going on!!!!

    in General Discussion

    Changed all bulbs in display tank October 27. I have not changed fuge bulbs in a long while, maybe about a year. In my fuge I have a ton of chaeto and 8 mangrove plants. Could the mangrove roots be stirring up my deep sand bed in the fuge and causing this?

    Not sure what is going on!!!!

    in General Discussion

    I have two Tunze 6025 pointing at the sand, one in each upper corner pointing down at the opposite lower corner. Have a sand sifting star and about 30 Nassarius snails. for the sand. I thought this would be enough. Thought that with Cyano I would have high nitrates and or phosphates. I am baffled

    Not sure what is going on!!!!

    in General Discussion

    · Edited by TonyInVa

    I am having some issues with my tank. Brownish red stuff is showing up on sand. Greyish stuff showing up on live rock. The greyish stuf can be mostly blown off by a baster but some will stay. Nitrate 0 (just tested). Phosphates at 0.025ppm. Flow is 3x Tunze 6025, and return pump magdrive 9.5 going to a squid. Any ideas as to what the redish brown and greyish stuff is? What is causing it? How to get rid of it?

     

    http://i75.photobucket.com/albums/i305/arb...ey/DSCN1339.jpg

     

    http://i75.photobucket.com/albums/i305/arb...ey/DSCN1340.jpg

     

    http://i75.photobucket.com/albums/i305/arb...ey/DSCN1341.jpg

    TDS Meter reading

    in General Discussion

    What system is this? This looks to be a drinking water system, are you sure it's an RO/DI and not just an RO system? The last stage, 26, in a drinking water system would be a carbon filter for taste, not for DI. The way you've got it installed is correct as you want to go through pre-filter to remove sediment, then either GAC to carbon block or carbon block to carbon block (depends on what's in your water, ammonia and chlorine or chloramine, generally GAC to carbon block is preferred based on alternating use by most municipalities), then to the RO membrane, then out to a DI. In a purely drinking water situation there's no DI as it leaves the water totally tasteless, which some people don't like, so there's a final carbon filter that actually will add back to the water and "improve the taste" of the water. DI for a fish tank is a final polishing step that removes any residual TDS from the product water.

     

    If this isn't the case, then something is worn out in the system or the PSI or water temperature is affecting it.

     

    This is the system I have.

     

    http://jimstrains.com/?mainURL=/store/item...PD_6_stage.html

     

    I believe the post carbon filter is more for drinking.

    So is it ok to....

    in General Discussion

    Interesting subject. One reason i joined was I have several Leather frags and Xenia frags that I need to get rid of every couple of months. Just have to be careful who they are offered to. But I do feekl most people would do the right thing.

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