Jul 28, 2009 · Has anyone here used pumice stone as a medium? It looks similar to lava rock but seems more porous. Is it equivalent better or worse.

May 4, 2018 · Many forms of pumice are more porous and lighter than lava - hold more water than lava. Many forms of pumice can be crushed between your fingers. Others are pretty darn firm, more …

Dec 3, 2014 · How does lava and pumice compare as far as moisture retention, aeration, and CEC? I was thinking of only using one or the other along with akadama for next seasons repotting. I'm in …

Aug 10, 2020 · Clearly, pumice holds more water than the other two. Lava and leca are close, and have more air filled porosity. So if your pots are not holding enough water, add more pumice to the mix. If …

Mar 30, 2015 · Hi fellow Nuts, I recently ordered some pumice and lava rock from Bonsai Jack and am anxious to get to repotting some Ficus. However, I'm a bit uncertain as to the differences between …

Feb 28, 2025 · I was using 50-50 pumice and lava, but the lava has to be sifted on site at a landscape supplier, while high-quality, bonsai-appropriate pumice is available "locally" (2 hours away) for only …

Nov 21, 2023 · Obviously APL is a very common blend for bonsai soil, but I'm curious about the functional difference between pumice and lava in this mixture. In my understanding, it seems like …

Dec 10, 2015 · Some of my trees in pumice dry out quicker than I would like, sometimes I wonder if the pumice is staying dry inside the particles after watering. As far as sphagnum rotting, sure it will, of …

Feb 6, 2024 · I use APL (Akadama, pumice, lava) in 1:1:1 for pines. This works well in my climate .I would think that pure pumice in a shallow bonsai pot would dry out way too quickly. For deciduous I …

Aug 11, 2020 · Here is a test i did lately on different sizes of pumice under full sun for 24 hours if it helps you by any way. I have no experience but what I’ve read many ppl grow successfully in pure pumice …