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**bradac56** · 10-28-2009, 02:24 PM

I agree the funny part about sand is that the difference between 'sand' and 'gravel' is the size of the grain, that's just about it. As long as you stay within the 1mm to 3mm range your find with any substrate. The reason we recommend PFS over play sand is because PFS ranges from 1mm to 1.5mm where play sand ranges from .5mm to 1mm normally so for our purposes PFS is the better choice.

- Brad

10-28-2009, 02:24 PM	#14 (permalink)
bradac56 Wannabe Guru (View User Tanks) PTrader: (7/100%) Join Date: Feb 2008 Location: Blue Springs, MO Posts: 1,003	I agree the funny part about sand is that the difference between 'sand' and 'gravel' is the size of the grain, that's just about it. As long as you stay within the 1mm to 3mm range your find with any substrate. The reason we recommend PFS over play sand is because PFS ranges from 1mm to 1.5mm where play sand ranges from .5mm to 1mm normally so for our purposes PFS is the better choice. - Brad __________________ Proud member of the Heart of America Aquarium Society and the International Betta Congress VICTOR PIMP #58 - VTS-253A-320 x2, VTS-253D-320, VTS-253A-1993-320.