favorite substrate

[eon aquatics]

here is some gravel i got cheap from a landscape place
also some sea shells i got cheap from walmart

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[eon aquatics]

these huge rocks were only $1

 

[Deadeye]

None of that seems particularly tannin rich. Nice pick up though. I would guess some mud on them could have gotten in the water but that’s about it.

 

[eon aquatics]

i removed the mopani wood, it was staining the water like crazy

 

[eon aquatics]

Lava rock substrate is nice

 

[MultipleTankSyndrome]

Silica sand is something I've come to love. It bears much resemblance to natural sand found in rivers and lakes, plus is fine and dense which makes for easy vacuuming and no filter clogging.

 

[The Masked Shadow]

Black Diamond sand. I’ve posted this over and over again, but here’s the difference.

 

[MultipleTankSyndrome]

Silica sand is something I've come to love. It bears much resemblance to natural sand found in rivers and lakes, plus is fine and dense which makes for easy vacuuming and no filter clogging.

Here is a picture of said silica sand in one of my tanks.



And here is, for example, the Rio Xingu from Nature In Stock.

I can't overstate how much I like the resemblances here.

 

[eon aquatics]

are some kinds of gravel toxic to fish?

 

[MultipleTankSyndrome]

Clown puke might be, depending on how much of what it's coloured with leaches into the water. Just my hypothesis though.