Fine white river sand?

[Ninjakiller08]

Most fish waste is excreted from the gills (not as urine or feces.) Besides, during water changes the substrate can be vacuumed so what has not already broken down or been sucked up by the filter can be siphoned out.

So small waste debris would still get under pfs? That also means I can siphon it like gravel?

 

[sbuse]

No you can't clean sand like gravel. You just hold the python just above the sand to get anything off the top. One a month give it a stir. That will release anything inside it. I use and and it packs down enough to just have the crap flow on top. If you have fish like rays or others that dig in the sand they keep it good and mixed for you and you don't have to do anything.

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[Ninjakiller08]

No you can't clean sand like gravel. You just hold the python just above the sand to get anything off the top. One a month give it a stir. That will release anything inside it. I use and and it packs down enough to just have the crap flow on top. If you have fish like rays or others that dig in the sand they keep it good and mixed for you and you don't have to do anything.

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Ok but not even the small waste gets under right? I am just curious because pfs has larger grains.

 

[sbuse]

I don't have any problems with sand. Some waste will get in it. Just stir it once and a while.

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