greetings skurvey dog
ph is about 8.4 (im not the best at matching the colour on chart)
mmm could be
cc related i clean the gravel as part of each water change but im sure a lot
detritus gets left in as plenty comes out... i also only have one sand janitor a jumbo nassarius snail (its real big) could this be an issue lack of sand critters
cant wait to do a tank journal getting shots of the tank up soon with more details of my setup