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Discussion Starter · #1 · (Edited)
This is a 38 G, moderately stocked with Fancy Guppies and some low light aquatic plants. The emersed plants are Aglaonema and Pothos. The roots take in the nutrients from the dissolved fish waste and maintain pure water conditions, no ammonia or nitrites and very low nitrates. The leaves are kept above the water to take in CO2 from the air. The emersed plants require only low, room light and periodic trimming. The total, weekly maintenance time is about 30 minutes.

This tank requires no water changes and only needs a little water replaced weekly, due to evaporation. The plants thrive in the nutrient rich water and the fish thrive in the pure water.

If you've grown tired of large, weekly water changes, but still want healthy fish and plants, then this may be your kind of tank.

Just a thought.

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I love those plants on top. Shame I could never try that with my cats.
 

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Discussion Starter · #4 ·
Tanks and Cats

I love those plants on top. Shame I could never try that with my cats.
Hello Green...

We've got eight indoor cats and they've never bothered the tank, that I know. Something about these particular plants that discourages curiosity.

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I would love to convert to this, but I'm worried my plants underneath wouldn't do well, and my tank isn't in a place it gets sunlight.... It's a great idea though, and I do currently have pothos that seems to be doing well emmersed. The roots are growing fairly quickly. So I imagine it's doing something!
 

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Its not great for aquatic plants tbh as the terrestrial ones will suck up all the nutrients from the water column. You either need to dose ferts like there's no tomorrow or stick to heavy root feeders.
 

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Discussion Starter · #10 ·
Low Maintenance Tank

The tank requires no mechanical filtration, just needs a couple of gallons of water replaced every week due to evaporation.

I've converted my other tanks over to this system, but have left a couple of small HOBs working during the hours at night when the land plants slow their filtering process.

As for the aquatic plants, they're mostly low light or shade, so they're really unaffected by the land plants.

Water changes used to be 125 gallons per week for the tanks. Now, I change out roughly 5 gallons to service the HOBs. Maintenance now includes misting the plants with a liquid fert and trimming. The Chinese Evergreen thrive in the nutrient rich water.

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