brown sand

x1crt · 08/31/2008, 05:11 PM

in some parts of my sand bed are brown.
i have a coral life 150watts 10k MH.
2 blue atinics 65w
2 12,000kw
compacted flourescent dual strip 48'' 260w

whats the deal with the brown spots in the sand, i put a nitrate removal today in my sump.

NaClH20reeffish · 08/31/2008, 06:07 PM

Could be diatoms.

x1crt · 08/31/2008, 08:03 PM

whats diatoms?

jdoenumber2 · 08/31/2008, 11:05 PM

NaClH20reeffish you look a little cold in your avatar. Must of been a wee bit nippy out that day.

08/31/2008, 05:11 PM	#1
x1crt Registered Member Join Date: Feb 2008 Location: california Posts: 319	brown sand in some parts of my sand bed are brown. i have a coral life 150watts 10k MH. 2 blue atinics 65w 2 12,000kw compacted flourescent dual strip 48'' 260w whats the deal with the brown spots in the sand, i put a nitrate removal today in my sump.

08/31/2008, 06:07 PM	#2
NaClH20reeffish Registered Member Join Date: Jun 2003 Posts: 151	Could be diatoms.

08/31/2008, 08:03 PM	#3
x1crt Registered Member Join Date: Feb 2008 Location: california Posts: 319	whats diatoms?

08/31/2008, 11:05 PM	#4
jdoenumber2 Registered Member Join Date: Jan 2006 Location: Fairport, NY Posts: 2,093	NaClH20reeffish you look a little cold in your avatar. Must of been a wee bit nippy out that day.