Hello, been a while since I posted (I tend to come and go with the tides so to speak ). Im going to be moving into a new flat which essentially means uprooting my 300L + Sump. I Currently run crushed a Coral substrate but it tends to get dirty very very quickly (Brown Diatome/Dust grows ontop). So now im looking to change to either A] Sea Sand OR B] Play Sand. My question is WHICH is whiter or looks nicer in your oppinions, looking for a very light light brown color substrate. Ile await your posts.