HELP...Fish keep dying!!!
Please help, my fish keep dying and I don't know why, one minute they are healthy and swimming around, feeding well, 2 hours later they are dead.
Tank spec is 170ltr with an Aqua One Aquis 1200 Canister filter, Aqua One 103f internal filter, about 9kg Live rock and 15kg Substrate.
Latest water test are:
Nitrate-0 Nitrite-0 Ammonia-0 PH-8.3 Salinity-1.022 Water Temp 25/77F