Hey i have a few questions i noticed this morning i have little hairs on the side and back of my tank and never had any prior to today i have had my 55g tank setup for a little over 3 months now just have my live rock around 25lbs and 2 crabs nothing else in my tank. Would anyone know what these hairs might be and can you prevent them ?. Also i noticed green algae growing on my tank faster then usual by far, anything i can do to treat the algae and the on my glass as well ? Another concern i have i noticed my sand is a rusty color and i moved the sand to see if it would get sucked up by my carbon filter and it did but came back again this morning i don't have a protein skimmer yet saving for an octopus skimmer would that maybe be whats causing the sand to turn rusty?One other thing my one hermit crab died around 3 days ago i bought 3 to have them eating algae and to have a couple things in my tank i never thought anything of it when it died but this morning i noticed also a little crab that was dead i never knew i ,the other 2 hermit crabs are looking really rough is there a chance i have a few crabs fighting with them since i found a dead one i never knew i had? Should i try and trap to see what i find in my tank and if so how would i trap them ?I also noticed i have a lot of bubbles by my heater and around all the sides of my tank would that be eggs from an animal or protein ?
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