thoughts on aquatic pot covers... and what if you don't want a pot???

Magnum Man

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so, I do a lot of terrestrial plants grown out of my aquariums, and the jury is still out on long term, do I want pots, or no pots...these 2 pots originally had olive trees growing in them, but they were transferred to the living room, and dirt pots, as they out grew the space available, on the tank, between the top and the light..

the pots are stainless steam table containers drilled with 1/4 inch holes, and filled with ceramic media, there are foam filters directly under them, on the bottom of the aquarium... the bubbles rise through the pot, making them percolate, and this both filters with beneficial bacteria, and the bubbles circulate the water inside the pot...

in these 2 pictures, the bigger plant, a rare black margin ( black leaf edges ) Hoya vine, was just potted, so the media has been turned over... the smaller plant ( a traditional Hoya vine cutting ) was just stuck into the existing media to root... you can see on that pot, a lot of algae grows on the media over time... I'm thinking about a "cover" for the media, to protect it from algae growth... originally thinking filter floss, but am now thinking about brown scrubbie pads, cut to the size of the pot, with a circle cut out in the center, for the plant to grow out of, and a slit, cut through to the hole, so the pad can be removed, to easily remove any algae if desired... it's possible these vines will shade the pot enough to prevent algae growth, but a plant like the olive trees did not... hoping for any other suggestions or comments, before I buy some brown scrubbers
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and an idea for starting some vines... I would not do this with pothos vines or philodendron, as the vine stem gets too large, but with these Hoya vines, the mature vine, stays smaller...

this a mature curly leaf Hoya, from the living room, shows that the mature vine stem, stays relatively small in diameter, when compared to a pothos...
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to root Hoya, you just need to insert a stem section into the water ( how perfect is that for aquarium use ) I take a stem section, and take off the bottom 2-4 leaves, and insert the stem up to the last attached leaf, in the coil loop of a stainless wire clothes pin, of which I bought a packet of pretty reasonably, and clip the clothes pin, to a heater cord, or hose ( I don't do it to air lines, as over time, the clothes pin will reduce the air flow ), attached at the top of the aquarium, with the stem down into the water... super easy... most of my tanks are open top, but I'm showing this on a tank, with a cover, the plants just slip into openings for the filter or cords and air lines...
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so, I do a lot of terrestrial plants grown out of my aquariums... these 2 pots originally had olive trees growing in them, but they were transferred to the living room, and dirt pots, as they out grew the space available...

the pots are stainless steam table containers drilled with 1/4 inch holes, and filled with ceramic media, there are foam filters directly under them, the bubbles rise through the pot, making them percolate, and this both filter with beneficial bacteria, and the bubbles circulate the water inside the pot...

in these 2 pictures, the bigger plant, a rare black margin ( black leaf edges ) Hoya vine, was just potted, so the media has been turned over... the smaller plant ( a traditional Hoya vine cutting ) was just stuck in the existing media to root... you can see on that pot, a lot of algae grows on the media over time... I'm thinking about a "cover" for the media, to protect it from algae growth... originally thinking filter floss, but am now thinking about brown scrubbie pads, cut to the size of the pot, with a circle cut out in the center, for the plant to grow out of, and a slit, cut through to the hole, do the pad can be removed, to easily remove any algae if desired... it's possible these vines will shade the pot enough to prevent algae growth, but a plant like the olive trees did not... hoping for any other suggestions or comments, before I buy some brown scrubbers
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I'm wondering if you could go a little more natural. Take out the top layer of ceramics and.cover.it with hard wood mulch or sphagnum moss?
 
I was originally thinking moss, but as it stays pretty wet, because of the percolation, I was concerned with mold or fungus... from the moss, I went to green scrubber pads, then thought brown would look more natural...
 
I think sphagnum moss is safe from fungus and bacterial growth. Plus there is a chance with the moisture it will reanimate and start to grow again.
 
mosses seem like a good option...unfortunately I don't know much about mosses... how about you???

the live moss assortment I'm looking at buying contains several mosses... I'm wondering if any may work better than others...

listed are Hypnum, Dicranum, Brachythecium, and or Racomitrium mosses
 
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I love this. :) I have three ideas:
1. Mosses. You're in MN, so you have moss. Go for a walk and collect some. Try to get several different kinds. Just like aquarium plants, some will thrive and others will die out over time. In my experience, even here in dry Wyoming, mosses as a whole are pretty adaptable to light levels, water hardness, and so on. As long as they're damp and reasonably cool (evaporation will take care of that), some of them will do OK.

Liverworts are cool too, and thrive in an environment like yours. I have two different kinds going in my paludariums and I really enjoy them. I collected one kind deliberately; the other came in as a passenger on some mosses I collected. They can really spread once they get started, and they have really interesting textures, forms, and sporophytes.

If collecting wild isn't your thing, there's a shop on Amazon called "Tin Roof Treasure" I've had pretty good luck with.

2. Raise the level of your media so it's above water. Just doing that should take care of most of your algae problem. Use small stones instead of filter media for a more natural look.

3. Filter floss or scrubber pads? Honestly I'm not sure if that would work, and personally I don't think I'd like the look. I suspect a scrubber pad would stay so wet that the algae would just move up to the top of it.
 
I have a large patch of moss ( somewhere under the snow ) along the trail, in our woods, between the yard, and our north pasture, and that will definitely be an option, if I haven't bought something that works, before the snow is gone..

also on the new hoya, the media needs to be filled to the surface of the pot, and these pictures the aquarium is as full as it ever gets, typically the water level is an inch or so lower in the aquarium... I don't do top offs on these 2 tanks, as they are covered, so when the level gets below the frame, it's time for a water change... most of the time, you can't see the water, looking into the pot, but the media still stays damp to wet, because of wicking, and the bubbles popping within the pots... so, algae will always be a problem, with this set up, or at least it was with the olive trees, as these vine plants bush, and grow out, you probably won't be able to see the media anyway... this shade may even help the moss, as I don't think it typically likes direct light...

@Rusty_Shackleford , and @WhistlingBadger ... thanks for the suggestions
 
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these are the 4 choices of moss I got, any recommendations??? I personally like the top 2, by color, but once they rehydrate and wake up, that color may be different??
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I would use them all! If your experience is anything like mine, some kinds will gradually die off and others will gradually come to dominate. Those are the ones you want. :)
 
day one for the 1st moss... I'm waiting for a different plant to go in the other pot, before I "moss" that one... this is that more rare, black margin, Hoya, in the pot... saving the name of this moss ( part of the plastic package ) under the center handle, to retain it...
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