Need a little help

You’re speculating, with no evidence.

Unless he turned the pot upside down and filled with soil through a the drainhole, there is airspace for sure.

If there isn't, the soil contains too much small particle dirt which will add to the runoff scenario, and other hydrophobic instances.

We remedy these holes with our chopsticks.

Nursery trees chock full of roots can't be chopsticked successfully if it is a true "slippot".

Sorce
 
We can find out if there are holes of course.

By filling another pot with the same soil, plugging the hole, watering both till full, and allowing to drain into containers, then measuring the difference.

Sorce
 
We can find out if there are holes of course.

By filling another pot with the same soil, plugging the hole, watering both till full, and allowing to drain into containers, then measuring the difference.

Sorce
What the heck, Sorce?

You are acting as if you were there, looking over the OP’s shoulder as he moved the tree from the Monrovia plastic pot into the terra cotta pot.

You weren’t there. You have no idea how full or how empty that pot is!

I don’t either! And if there’s an inch of air on the bottom, that’s not going to hurt anything, either. But I’m guessing there’s not. It’s probably filled all the way down.

Once again, you are preaching your imagination as if it were reality.
 
I don't think (some) people even know what they're arguing about anymore.

All I can say is, I've slip-potted lots of trees with solid rootballs in nursery mixes. I've put some of them into plastic containers that have multiple drain holes, and some into clay pots with one central drain hole. I usually put down some mesh, cover that with a layer of coarse "drainage" or "aeration" materials (some type of aggregate), then a layer of soil, then the plant. I've NEVER had a plant drown or suffer from this procedure.

I don't know if the coarse aggregate layer does anything good or bad, but it does prevent the nursery soil from pouring out the bottom which is why I use it.
 
I don't think (some) people even know what they're arguing about anymore.

All I can say is, I've slip-potted lots of trees with solid rootballs in nursery mixes. I've put some of them into plastic containers that have multiple drain holes, and some into clay pots with one central drain hole. I usually put down some mesh, cover that with a layer of coarse "drainage" or "aeration" materials (some type of aggregate), then a layer of soil, then the plant. I've NEVER had a plant drown or suffer from this procedure.

I don't know if the coarse aggregate layer does anything good or bad, but it does prevent the nursery soil from pouring out the bottom which is why I use it.
Now, coh, don’t go all sane on us, this IS BonsaiNut after all!
 
an inch of air on the bottom, that’s not going to hurt anything, either.

This is just not true.

That inch will allow so much freeflow the pot will NEVER be able to fill up all the way, and soak thru the whole rootmass. Water table or not.
water table or drainage doesnt mean anything at all if the whole rootmass is not being penetrated, which....
even not being there,should be the OP's biggest fear.

Sorce
 
I would agree that the bigger risk here is that the tree won't be adequately watered in the new pot, at least as compared to the (practically nonexistent) risk of "drowning". But I think that risk is pretty minimal, especially if the new soil is similar to the old soil, the slip-potting was done carefully, and the owner pays attention to the watering. I would say the owner should pay more attention to the plant now, keep an eye on the moisture in the soil and water as needed.
 
This is just not true.

That inch will allow so much freeflow the pot will NEVER be able to fill up all the way, and soak thru the whole rootmass. Water table or not.
water table or drainage doesnt mean anything at all if the whole rootmass is not being penetrated, which....
even not being there,should be the OP's biggest fear.

Sorce
But, what evidence do you have there is an air gap down there? And if there is, assuming the dude waters with a sprayer, water will penetrate the soil mass, unless it’s a brick. It didn’t appear to be.

Look, you have NO IDEA of whether there’s a problem or not. And the chances of there being a problem are less than 5%.

Seriously, if you must post, go back to posting gibberish.
 
Ryan at Marai still recommends a thin layer of larger akadama in the bottom of the pot prior to the APL mix on his repots.
 
Man alive! If you lot cant agree, us noobs have no chance! o_O

Stick around and you'll learn how to glean the information you need from these kinds of posts. I for one am glad the old hands like to argue with one another - I think it keeps things way more fun for them than trying to answer a whole series of beginner questions they've answered a million times already. If they're having fun, they're sticking around, and if they're sticking around, they might feel like answering that million and first beginner question I'm about to ask! :D
 
Look, you have NO IDEA of whether there’s a problem or not.

More Assumed Swinging of Parts on your part.

It's not whether there is a problem or not, it's that the problem can also be the EXACT opposite of what everyone has been arguing about.

So much so that the OP will probly dry kill his tree.

Ya'll Care so much about being right about the "Bonsai" aspect, you "head in ass" the obvious things.

Again.

I'm here to take care of the artist, cuz, only they can take care of their trees.

no decent trees.

No, I won't let your childishness rile me up!

Sorce
 
More Assumed Swinging of Parts on your part.

It's not whether there is a problem or not, it's that the problem can also be the EXACT opposite of what everyone has been arguing about.

So much so that the OP will probly dry kill his tree.

Ya'll Care so much about being right about the "Bonsai" aspect, you "head in ass" the obvious things.

Again.

I'm here to take care of the artist, cuz, only they can take care of their trees.



No, I won't let your childishness rile me up!

Sorce
Please post your best tree.
 
Is it just me or is this taking over more and more topics lately?
 
Posting my best tree has nothing to do with the physics of that pot, repot, soil composition, place in San Diego, etc.

What is it meant to prove?
You will then post a better tree, or not, and just simply say that because you have better trees you understand this science better than I? why?

What is true, is....

It will just lead us down this path of understanding that I do in fact, have more experience with nursery plants than you do.

Since this is what I do to accomplish my bonsai goals.

Please, share your monthly budget.

Sorce
 

Good to know! Yeah I don't do this in bonsai pots, just a lot of the nursery pots that I am currently growing things in. I do this for drainage but also for air. Who knows, I'm always learning.
 
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