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Tank has brown sstuff in it.

This is a discussion on Tank has brown sstuff in it. within the Beginner Planted Aquarium forums, part of the Beginner Freshwater Aquarium category; --> Originally Posted by yippee Man, that makes me sad. Sounds like such a good deal. I've seen pictures and your plants look very healthy. ...

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Tank has brown sstuff in it.
Old 06-04-2009, 08:32 AM   #21
 
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Originally Posted by yippee View Post
Man, that makes me sad. Sounds like such a good deal. I've seen pictures and your plants look very healthy. That's one of the reasons i hate to buy online, you don't know what you're really getting in terms of quality and condition. and none of my local places have any. Would you ship some spare java fern and moss? Of course, me pay shipping
I've never mailed plants but am willing to give it a go. I have no Java Fern now though, that was when I had my vivarium setup for my frog who lived into his 19th year before calling it quits. The fern I mentioned is floating fern, Ceratopteris. It may not ship well, it is very fragile, but still worth it if you want some. But I can send some java moss. You can PM me your name and address in a personal email if you like.

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Old 06-04-2009, 08:36 AM   #22
 
Whoa i just looked up ceratopteris... its beautiful...ive never seen anything like it before. LFS near me need to start stocking some better plants other than the common ones like amazon sword and cabomba.
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Old 06-04-2009, 09:04 AM   #23
 
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Whoa i just looked up ceratopteris... its beautiful...ive never seen anything like it before. LFS near me need to start stocking some better plants other than the common ones like amazon sword and cabomba.
Ceratopteris can be kept floating or planted in the substrate. I find it does better floating, the leaves will literally grow out across the surface completely if allowed to, and daughter plants form on the leaves by the dozens. The mass of roots dangle down into the water, and are excellent places for microscopic food (fish are frequently browsing the roots) and spawning sites for characins. When rooted in the substrate it is not so spectacular for me, probably due to less light down in the tank. Check out the photos of my 70g and you'll see it, that is what is covering the surface.

It does like soft acidic water, and I've read does not do well in alkaline harder water. I've only ever had soft acidic water (fortunately) so don't know if this is the case or not, but it certainly thrives for me.
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Old 06-04-2009, 11:50 AM   #24
 
boo, my tank is 8.0 and my drifwood isnt working as well anymore...
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Old 06-04-2009, 12:41 PM   #25
 
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boo, my tank is 8.0 and my drifwood isnt working as well anymore...
That is fairly high and I suspect there is a corresponding hardness. Wood is not in my experience a reliable water softener/acidifier, and I recall a post from another member a week or so ago about pH dropping .2 with wood, so that's not much. Don't know what fish you have/want, whether considering peat or RO would be practical...

If you could get your pH down to the low 7's you would probably be OK plant-wise. Yesterday I was doing some research to see what info I could find on potassium excess to aid Aunt Kymmie with her Echinodorus problem (another thread) and happened to read in one of Peter Hiscock's books about most plants being acidic water in origin (I knew that part) and that the major factor that affects the quantity of nutrients in water is hardness which in tap water should not be confused with pH and acidity/alkalinity. He maintains that some nutrients especially micronutrients are less available in hard water, so soft water plants don't generally thrive, but adding CO2 to moderately hard water usually will allow softwater plants to be maintained [this is a highly condensed version of the entire argument]. We all know that CO2 addition lowers pH, so I am myself certain that all this is connected.

I have had Vallisneria grow profusely in alkaline tanks with livebearers (dolomite in the filter or substrate raised the hardness and pH to mid-7's) but it rots to pieces in short order in acidic water.
Ceratopteris is probably delicate enough that it would not adapt to a great deviation, but if you can find some it may be worth trying.
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