well, even after soaking, while watering the leca always seems to come up and we lose a pebble or two, as meteo also experiences. probably part of it is that watering happens in the kitchen sink with these, and i run the tap hard and fast to fill the whole pot and then let it drain. the leca just comes up. like leafmite says, it has worries me that some plants would visibly rise up with the media when watering.
using even a very fine layer of the small decomposed granite completely stops this problem. its turned out to be a very nice solution to a problem. also, i was just watching a vid from mygreenpets where he was talking with stephen and dustin miller. miller pointed out that keeping a moist top layer also encourages the top/newly emerging roots on paphs to stay moist and encourage growth. makes sense and just another reason to use a top dressing with s/h!
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