7 в 1 тестовая бумага Ph для бассейна лакмусовая тестовые полоски измеритель PH подходит питьевой воды аквариума спа промышленного

1. 7-in-1 swimming pool and hot spring water quality test strips. Test bromine, hardness, total chlorine, free chlorine, nitrite, total alkalinity, PH.
2. Easy to use. Test on both ends of the pool twice a week for best results.
3.Small and portable, high-end plastic bottle packaging, waterproof and moisture-proof, compact and exquisite, easy to carry
4. This article is easy to use and can help you easily understand the water quality in the main 7 indicators.
5. Quantity: 50 pcs/bottle, meeting long-term demand.
6. Bottle size: 4.5cm*4.5cm*10.8cm
7. Test paper size: 0.5cm*9cm
8. Test range:
ph range: 6.2-8.4
Total alkalinity range: 0-400
Nitrite range: 0-80
Free chlorine range: 0-20
Total chlorine range: 0-100
Hardness range: 0 -425
Bromine range: 0-20