菲律宾采购需求：游泳池化学品、高品质水质检测仪、硬度测试套件、多参数鱼水分析仪、高品质比色计、氧气分析仪

I'm looking into the equipment needed for a wastewater treatment plant. Could you please clarify if this specific equipment is essential for the plant's operation? Moreover, I'd like to know the estimated cost for this equipment, including any options or variations you might have. Additionally, if there are any recommended features or specifications that would enhance performance, I'd appreciate your input on that too. Understanding both the necessity and investment will help guide my decision on proceeding with the project. Thanks!