Konvio Neer TDS Meter,pH Drop and ORP Testing for TDS Testing and pH Testing, TDS and pH Test, Pen Type TDS Meter and pH drop Bottle for all Purpose and Orp Testing positive/negative

All three items are good and reliable. U can purchase them without any hesitation.

Tds meter is working good 👍🏻 best and compact But drops are not suitable You can use ph drops for only under 8 time You can use or drops for only under 20 times ph drops I am not say to buy Instant of this you can buy a ph meter It simulator to tds meter Orp drop also Instant if you want perfect kit Then buy these 3 1)TDS METER 2) ph meter 3) orp meter You can buy under 1000rs , price in the year 2025

Very good purchase. Satisfied

Worth to buy

Tds meter is ok but other things are poor