Just dip it and compare it with the big color chart on the bottle. for IDEAL range marked on thebottle. 50 averages and 50 tests-each swimming pool test strip can provide accurate and fast results for any water source (including for Fresh and salt water swimming pools, spas and hot tubs).
eBay
Feature: 1. PH and salinity monitor is ideal for seawater, horticultural and hydroponics applications where pH and salinity levels need. The continuously monitor and display the pH and salinity values of a solution on an easy to read in one LCD's.
eBay
The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
Garantito Bestway cod. Strisce reattive Flowclear 3-in-1 per piscine & idromassaggi. Kit 50 Test.
eBay
Prodotto idoneo alla vendita al pubblico rif. Correttore liquido specifico per abbassare il valore del pH in acque di piscina. Ha le seguenti caratteristiche: effetto rapido, esente da cloruri, massimizza l azione dei prodotti sanificanti (pH compresi 7,2-7,6), effetto tampone.
eBay
Die Multitabs 5 in 1 Chlortabletten sind Ihre umfassende Lösung zur Poolpflege und -wartung. Diese fortschrittlichen Tabletten bieten fünf Schlüsselfunktionen, die Ihnen helfen, Ihren Pool sauber und sicher zu halten. Desinfektion, Algenbekämpfung, Flockungsmittel, pH-Stabilisierung, Klareffekt in einem. 5 kg Eimer mit 200g Tabletten. .
eBay
SALZ: 0 ~ 199,9 ppt 0 % ~ 20 %. 【8-in-1-Wasserqualitätstester】: Multifunktionales Design, Echtzeitüberwachung von S.G/PH/EC/Salzgehalt/ORP/TDS/CF/Temperatur, praktisch in der Anwendung. Temperatur: 0 ℃ ～ 50 ℃ (32 ℉ ～ 122 ℉).
eBay
Range: EC: 0-19900us/cm0-199.0ms/cm (SALT-785H). Water quality tester 1. Salt: 0-10000ppm0-199.9ppt. High precision probe and alloy probe can avoid magnetic field interference in water and reduce errors.
eBay