I checked for param snails a couple of times now and havent seen any. it does react whenever a fish swims over it ( all day ) it may tire it out. my lights are old so i will get new bulbs.  if i could keep it a few inches off the ground the ss goby wont spit sand on it anymore. my phosphates are high right now since i moved my tank a few months ago. im using seachem to bring it down.  thanks for the help 
		
	
		
		
		
		
		
	
		
		
	
	
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