2018年5月4日 · Pumice, Lava, scoria are some of the terms used to describe inorganic substances of volcanic origin. They vary by density, color, element composition, vesicle size, …

2025年2月28日 · The Idaho pumice is much whiter than the pumice I purchased from Bonsai Jack a couple years ago (and whiter than the pumice I purchased locally when I lived in Seattle). …

2014年12月4日 · Pumice and scoria are differentiated by density alone - pumice is less dense than water and scoria is more dense. They are both volcanic glass (no or very few minerals). …

2009年7月28日 · Pumice is much lighter and less porous than lava is and is only available in a white/grayish color. Lava is heavier by nature and is more porous than what pumice is. Lava …

2020年5月4日 · When I lived on the West Coast, I truly used garbage can loads of pumice. However, after years of experimenting, my best results were never with 100% pumice. (1) …

2020年8月10日 · 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 …

2020年12月8日 · But that makes sense. Marbles don't hold water. I rescued (really rescued, not like the dead Scots pine) a boxwood with 100% pumice transplant. What I used was sharp …

2022年1月22日 · The color is very muted and the particle size is nicely aligned with Akadama, Kanuma, and Kiryu particles. A lot of US pumice can be very white and obnoxious at times. …

2021年3月19日 · As for the soil. That mix you are using is almost impossible to over water. I use Akadama, Kyadama and pumice. Which is very similar to your mix. When you water it …

2019年4月15日 · As most of us know, pumice can often be a great part of a soil mix, but it can sometimes be hard to find locally. I've found a local, cheap source for pumice - Dry Stall. It's …