An icecream tub can be used for a marine system, what matters is the gear 
yes you'd need to add a skimmer if you want to keep inverts in there (nitrates are deadly to them). Technicalities such as salt (1.0025 or somthing I believe) can be found in the SW section of the forum watr changes are generally far less in REEF systems if its maintained correctly.
yes you'd need to add a skimmer if you want to keep inverts in there (nitrates are deadly to them). Technicalities such as salt (1.0025 or somthing I believe) can be found in the SW section of the forum watr changes are generally far less in REEF systems if its maintained correctly.
