4" Hydroponic Planters
- 4" culture pot
- 4" water gauge
- 4" outer pot
- clay aggregate
Choosing pot sizes:
When transplanting from soil, choose a hydro pot that's slighty smaller than the existing grow pot. (Technically, the size of the root ball determines what size hydro pot.) Smaller grow pots encourage a quicker wet/dry cycle which is vital for healthy root growth.
For houseplants, most 4" African Violets transfer best into a 3" hydro planter.
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