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You cannot expect that plants that come from a normal aquarium water with pH around 7.0 will do at once fine in a blackwater aquarium with pH much lower. Lagarosiphon and Elodea and many (not to say: most) others normal aquarium pants are totally wrong in that kind of waters. Those named are dapted to hard waters and will soon die in waters wthout any measurable calcium and a pH of 6 or lower.
Ceratopteris is very good indeed and tolerates those waters if adapted over a certain period of time; then it is the best plant for small Paro-tanks. Limnobium is much less suitable.
I use java moss + java fern and Ceratopteris cornuta.
Cerato come from normal aquarium water, and it has very difficulty to grow up at the beginning. It die the firsts weeks but it grow up after, new plants are coming on the old. It´s time for adaptation between the normal water and the acide water.
Now I must withdraw from the tank because it grow up too quickly!
To Peter Finke:
But my Ceratopteris is gone except two or tree hard pieces of former leaves – and it don’t seems like they would get any joung leaves on it any more, but I will try….
I see, I’m not a plant specialist… Fish and dogs is a better understanding with me .. 😉Perhaps I should make more water changes at the moment for the Paros, I guess because of the plants? Of course I also take the worn out plants out of the tank.
To Davy:
Could you sent me some plants of your wonderful Ceratopteris cornuta? I will be pleased to pay you the plants and the postage from France (priority) if I will have the chance to get some blackwater used plants …Look at on ebay.de, it´s more simple and less expensive for you. Ship from France is expensive!
This auction: 390614824381
Hallo Davy!
Are you sure that that plant is used to black water?
And that they don´t sell dragonfly larves with the plant? 😉It´s also very expensive to order plants in Germany which die at once in the tank … so perhaps it could be a chance to get some from France, which love already black water … 😉
The most loss of money for my aquaristic live I´ve had with buying plants which didn´t grow …
You can find here german people who use ceratopteris in their acid tank and who can send it to you. I’ll go to the post office to ask the price for ship it from France.
How about light ?
I have some troubles as well with the ceratopteris, – but its strange because in some tanks they grow fine and in others they dissappear.
But with some of my other ‘floating’ plants, I realized that they do really also like light, – I use salvia natans a lot, and its quite clear that the ‘stripe’ underneath the led light panel is far better growing than in the dark corners.
I use two kinds of led light strips, one with a clear light and one with a more yellow light, – and theres a difference in growth as well between these tow types of light.I have two led stripes 25cm long. They can be dimmed, are for aquaristik purpose and are of a good quality.
And before we left for holidays, the swimming plants (not ceratopteris) grew under the light very fine. I think it was the humidity unter the acrylic glas… I told my “fish home service” not to feed in that tank. So nobody lifted the acrylic glas for about two weeks …The time before, I lifted the cover about every day to look after dragonfly larves, to feed the caridina simoni a bit.
I use light Arcadia arcpod fluocompact 11w for my 20L tanks with bulb osram 4000k.
Ceratopteris grow very quickly in my tanks.
I have numerous Cryptocoryne species from Malaysia and Indonesia in my aquariums, all doing very well. i also have a few types of Bucephalandra, Hygrophila corymbosa that all grows well, as does Limnophila aromatica. I have just bought some Ceratoperis and it is currently floating for a few weeks to acclimatise it. Salvinia natans grows too quickly for me so looking for a floting plant that might grow a little slower
Can beech leaves be a problem for fresh acclimating plants?
And why do I always get bad plants? 😉 and everybody else seems or have no problems? 😉CO2 levels can be a problem. The problem is most plants are grown emersed by suppliers, so adapting them to a submersed environment, needs to be done slowly. I was advised that I should always float my plants for a couple of weeks before planting them.
Hello, Dorothee,
I have the following plants in my tanks: java fern (Microsorum), fountain moss (Fontinalis), water sprite (Ceratopteris thalictroides) and “Süsswassertang” (Lomariopsis, they seem to also use the German word in English). Swimming plants are Salvinia natans, Riccia fluitans and Limnobium.
Limnobium doesn’t like a cover, that’s right. As far as I know many swimming plants do not like to get wet from above – e.g. by condensation.
With Ceratopteris it’s as you’ve been told before in this thread – be patient. It “dies” at first in acidic water – but if you have some “hard pieces of leaves” left, just let them float. They make adventive plants after a while – and these survive!What’s a real success – and nearly not mentioned in context with acidic water – is Lomariopsis. It proliferates even in water with a pH of around 4,5, looks beautiful and provides wonderful hiding places for young fry….
In the middle java fern and some fountain moss, below and on the right is Lomariopsis, and above on the right it’s Riccia:
Lomariopsis again:
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