Tropical Fish Keeping - Aquarium fish care and resources

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abunari 02-02-2010 11:25 AM

potted aquarium plants idea!
I am always looking for new and interesting ways to do things. I was looking at my extra aquarium things when i discovered an old divider i made out of a plastic canvas mess that most use for crafting. I then thought to use this same plastic mehs to create my own containers for my aquarium plants!

I will be able to create almost any shape and size but the thing i wonder is about the root fertilizer tablets that i use. If the entire plant container is a mesh like material the water will be able to move freely through the root zone (which i would think be a good thing adding more aeration) but i would think this would also cause the tablet to dissolve faster would it not?

Any thoughts would be great, thanks

Byron 02-02-2010 01:06 PM

Can't say about the tablet dissolving faster. But one caution on potted plant roots: the water must be able to fully flow through the roots of plants. It is essential. There is a host of aerobic bacteria living in the substrate, and their main supply of oxygen is from the water passing through (same as water flowing through the filter to bring oxygen to the nitrification bacteria or they will die) and the plant roots. Plants during photosynthesis produce oxygen, and some of this travels down to the roots and dissipates into the substrate to provide oxygen to the bacteria. Plus the water must be kept flowing through the roots to bring them nutrients. All nutrients come from the water. The liquid fertilizer you add, the substrate tabs or sticks that dissolve into the water, the minerals in the water from the water changes and fish food and waste broken down by those same bacteria down there--all these must be brought to the roots via water flow. This is why I prefer small gravel substrates with the plants in the gravel. It is all but guaranteed to work the way it should--and must.

Pots can work, yes; just make sure you still have that essential water flow. This was one good aspect of UG filters that we all used years ago [there are other detrimental factors which is why they are not so common now], and it was the basis behind the move to substrate heating cables back in the 1990's, to create convection currents and keep the water flowing through the substrate. But all that has been shown to be less significant now because the water flow in a biologically balanced aquarium is adequate with the bacteria, healthy plants, and fish.


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