Sinking a stump

[Emalou20]

I'm currently setting up my 75gal tank. I have a very amazing driftwood stump to go in it. My problem is getting it to sink. What kind of material should I attach to the bottom on it, that would be non toxic?


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[Jaeroo]

Have you tried boiling it? It allows it to leach tannin (tea colored substance) as well as soaking it, making it naturally sink to the bottom.

 

[jrc0528]

I had a stump that refused to sink even after boiling it. It was a bit hollow, so I used a fostner bit (a flat bottomed wood bit) and hollowed it out a bit more. tuck a mesh bag into the hollow center and fill it with aquarium gravel. I used plant media for the top inch or so and added a small plant. Now it sinks like a stone!