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循环水养殖水溶性有害物质去除设计!
其中,水溶性有害物质主要是氨氮(NH3- N )和亚硝态氮(NO2- N ... 较高溶氧有利于提高摄食水平和降低饵料比。 pH 在循环水养殖系统中,一般鱼类适宜的pH 范围通常在7.0 - 8.5 之间。例如,大多数淡水鱼类在pH 7.2 - 7.8 的环境下生长较好。这是因为在这个pH区间 ...
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