Product Price Test Parameters (count) Accuracy (ppm (parts per million)) Test Range (ppm) Response Time (minutes) Ease of Use (scale (1-5)) Included Tests (count)
API Nitrate Test Kit for Freshwater and Saltwater Aquarium 90 Count
US
£10.32 总硝酸盐 NO3 采用计算机校准比色卡进行精准比色测试 0至160 ppm 5分钟 使用滴瓶、玻璃试管、比色卡和说明书,液体测试简单易用 90次硝酸盐测试

This liquid test kit measures total nitrate in freshwater and saltwater aquariums across a 0 to 160 ppm range. It includes two reagent bottles, two color cards, a capped glass test tube and instructions, making it suitable for routine aquarium monitoring.

★ 适合人群

它适合长期水族箱使用,可提供90次测试,支持每周监测,并配有耐用玻璃器具和经过校准的比色卡,便于重复进行硝酸盐测试。

Salifert NO3 Nitrate Profi-Test for Aquarium 60 Tests
US
£12.55 硝酸盐 低量程比较可提高准确度;可减少胺干扰 0.2-100 mg/L,以硝酸盐计 3分钟 颜色变化滴定,读数清晰易读,并附有简单说明 60次

This kit measures nitrate in aquarium water using a color-change titration method and includes enough reagent for 60 tests. Its dual low-range and medium-range readings suit aquarium keepers who need routine nitrate monitoring, including reef and marine aquarium users.

★ 适合人群

它适合长期使用,因为可进行60次测试,提供0.2-10 mg/L的低量程以实现更精确的监测,并可减少会导致读数失真的胺干扰。

Red Sea Calcium Test Kit Reagent Refill 75 Tests for Aquarium
US
£19.47 钙含量 ±2.5 ppm 易于使用的滴定测试 75 次钙含量测试

This reagent refill measures calcium in saltwater reef aquariums using a high-precision titration method. It is suited to reef aquarists who already own the Red Sea Calcium Pro Test Kit and need reagents for long-term calcium monitoring.

★ 适合人群

提供 75 次钙含量测试、±2.5 ppm 的准确度、耐用的测试材料以及经济实惠的试剂补充装,适合长期水族箱使用。