or iii) add a sandbox
(ceramic pot like the piece used under a pot to collect excess water,
placed in a shady area, filled with a very loose small-diameter substrate
or large-diameter sand). If the Kuhliis take to the sandbox, (which is
never deep vacuumed) it will be safer for them, and probably quite comical
to watch. I've built these for Corys, right where the excess food falls
(minimizes my gravel vacuuming and the Corys seem to enjoy 'ploughing it
;~).

Silly question, did you place it in before or after water went into to your
aquarium ??? Been pondering this since you made the post

TIA

--
Geoff
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