450 litre Planted Tank - Page 4 - Tropical Fish Keeping - Aquarium fish care and resources
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post #31 of 33 Old 03-03-2011, 02:12 PM
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what is a good floating plant that stands soft water and low ph?

About ferts can i use seachem flourish only?
The vast majority of aquarium plants occur in soft, slightly acidic water in nature, so you have an almost endless option for plants. One of the very best is Ceratopteris cornuta [click on the name, it is in our profiles]. Frogbit is rarer but another one. Several stem plants do well floating; I personally like Brazilian Pennywort, I use it like this and it is superb. Duckweed of course, when all else fails--nothing will kill or stop this plant. But it has little "character" so I would look for the others. Something similar but much nicer as a plant is Salvinia. I haven't got this in the profiles yet.

The second question is harder to answer. It's all about that balance. If the CO2 is sufficient to really "feed" the plants, and the light too, then nutrients will be required more often. Flourish is intended as a stand-alone once or twice weekly fertilizer for low-tech systems, though Seachem do suggest using it along with their other products (iron, potassium, nitrogen, whatever). One has to be careful about dosing ad hoc nutrients. I don't know how Flourish performs if used more often, say daily. It would be expensive though. But again, it depends upon the amount of CO2 actually getting assimilated into the plants.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #32 of 33 Old 03-03-2011, 04:04 PM Thread Starter
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i could use pps-pro that is what i am using right now but yet again I do not know if it will harm the discus.

Did you ever use pps-pro?
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post #33 of 33 Old 03-03-2011, 05:37 PM
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Originally Posted by migdem View Post
i could use pps-pro that is what i am using right now but yet again I do not know if it will harm the discus.

Did you ever use pps-pro?
No, that product is unknown to me. If it is specifically intended for use in a planted fish aquarium--as opposed to "plant" nutrients that may contain terrestrial plant stuff--I would not expect trouble.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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