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pH Testing & Control Categories
Best Choice Luluntol 
Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Household Drinking, Pool, High Accuracy Digital pH Tester Reliable Brand: We believe that knowledge is power, especially the water we consume. We are dedicated to empowering indiHaobase 
Haobase pH Test Strips Full Range 1-14 Litmus Paper Litmus pH Testing Strips for Water, Drinks, Vinegar, Soap (80 Strips Item size: 70*44*4mmXLUX 
XLUX Soil pH Tester, Acidity Test Meter, Strips Kit 200 Tests, for Garden Home Lawn Farm Vegetable Yard Compost Outdoor Our soil testing kit comes with all the necessary components for testing. Once you receive the product, you only need to2San 
2San VpH Test Vaginal - 1 Pack, Rapid & Accurate pH Testing for Women's Health,Fast Results, Easy & Discreet Testing, Mo MONITOR VAGINAL HEALTH – Keep track of your vaginal pH levels with this easy-to-use test kit, designed to help you stayBest Value COOPHYA 
COOPHYA Soil Testing Tool Soil Ph Moisture and Light Tester for Gardening and Indoor Plants for Accurate Moisture Contro Soil tester kit:our soil tester quickly measures soil moisture, ph, temperature and illuminance to help you take betterHOVIRAN 
Universal pH Test Strips 0-14, Quick Accurate pH Testing Kit for Food, Soap Making & Kombucha, 125ct Litmus Paper pH Tes Accurate pH Strips：The pH of a liquid indicates whether a liquid is acidic, neutral or alkaline. Our litmus paper pH tesKONLREMA 
pH Test Strips for Testing Alkaline and Acid Levels, Track & Monitor Your pH Level Using Saliva and Urine at Home, Get H ACCURATE & QUICK RESULTS - Use saliva and urine pH test strips, Get reliable pH readings from 4.5 to 9.0 in seconds. StaMiZOELEC 1Pcs Liquid PH 0-14 Value Detection Regulator Sensor Module Monitoring Control Meter Tester + BNC PH Electrode Probe for 1Pcs Liquid PH 0-14 Value Detection Regulator Sensor Module Monitoring Control Meter Tester + BNC PH Electrode Probe for16% Off QZTHOU 7 in 1 Digital Water Quality Tester, PH/TDS/EC/ORP/S.G/Salt/Temp Tester, Portable Water Meter for Drinking Water/Swimmin 【7-in-1 Function】This water quality tester has seven-in-one function, which can measure pH, TDS, EC, specific gravity (Sgingersun Plastic pH Test Strips, Universal Application (pH 0-14), 100 Strips | for Saliva, Soap, Urine, Food, Liquids, Water with [Widely Used] pH paper test strips can be applied for schools, lab, drinking water, swimming pools, fish tank, hydroponi20% Off gingersun Vaginal pH Test. pH Balance Test Strips for Women. A Vaginal pH Product Test Helps Prevent BV Bacterial Vaginosis and ma [Monitor Your Vaginal Health] A quick and easy way to identify your vaginial pH levels accurately. For yeast infection tYotsuba 100PCS Test Strips pH 0-14 Aquarium Litmus Paper Sticks pH indicator strips are non-bleeding, colour fixed stripsDIPSTIK DIPSTIK Aquarium Test Strips, 7-Way Freshwater Saltwater Kit, 100 Strips: Nitrate, Nitrite, Chlorine, Hardness, Alkalini Aquarium Test Strips for Freshwater Fish : 7 in 1 Fish Tank Water Testing Kit for Aquarium Pond,Fast & Accurate TestingDIPSTIK pH Test Strips (0-14) -Universal pH Test Paper Test Strips for Drinking Water, Aquarium, Pool, Hot Tub, Spa,100ct Litmus Universal pH Test Strips 0-14: Simply dip our litmus paper strip to get a highly accurate result showing whether your li23% Off Just Fitter pH Test Strips for Testing Alkaline and Acid Levels in the Body. Track & Monitor your pH Level using Saliva and Urine. G Monitor Your Health – Take a look at your body from the inside out with saliva and urine pH test strips for humans. YourNUMNBE pH Meter Probe - Digital pH Tester, Electronic Glass Electrode Sensor, Accurate pH Measurement in Liquids, BNC Connector 【Accurate pH Measurement】: Delivers precise and consistent pH level readings, ensuring dependable hydrogen ion concentraSJ WAVE 16 in 1 Water Testing Kits For Drinking Water - High Sensitivity Drinking Water Test kit -Test Strips Detect PH, lead, I 𝗖𝗢𝗠𝗣𝗥𝗘𝗛𝗘𝗡𝗦𝗜𝗩𝗘 𝗪𝗔𝗧𝗘𝗥 𝗧𝗘𝗦𝗧 𝗞𝗜𝗧 - Test your water for 16 parameters, including ph test, hardness,Mbnvtxh Food pH Meter Probe Digital Soil pH Tester Automatic Temperature Compensation High Precision Electric Food Thermometer f 🌱【pH/Temperature Probs】Designed with highly sensitive pH and temperature probes, the food pH meter can test the pH andSagaSave SagaSave Digital Water Quality Tester, Electronic Swimming Pool PH/CL2 Chlorine Detector for Water Quality Analysis Cont The meter can quickly and accurately obtain results without using color charts or messy test strips.VIVOSUN VIVOSUN Soil Tester, 3-in-1 Plant Moisture Meter Light and PH Tester for Home, Garden, Lawn, Farm, Indoor and Outdoor Us 3-in-1 Soil Tester: This meter can test soil moisture, light and pH value; You can switch modes with one button; It makeSonkir Sonkir Soil pH Meter, MS06 3-in-1 Soil Moisture/Light/pH Tester Gardening Tool Kits for Plant Care, Great for Garden, La Kindly NOTE: This soil tester can not be applied to test pH value of any other liquid. If the soil is too dry the indicaBettli Bettli ph Test Paper-ph Strips-ph Test liquid-1-14 PH Alkaline Acid Test Paper Water Litmus Testing Kit (1 Pack) 1-14 PH Alkaline Acid Test Paper Water Litmus Testing Kit, Paper Size: App 45mm x 7mm (L x W)Just Fitter Just Fitter Alkaline Water pH Test Strips. Testing Kit for Home Drinking Water and Liquids. Universal Tester for Aquariu Maintain your body pH by knowing what you take in. Drinking pH-balanced water supports hydration, maintains body pH leveGeneric Ph Strips for Urine and Saliva Testing - Ph 0-14 Ph Strips Ph Test Paper - 100 Strips Ph-Indicator Strip to Test Drinkin ✮Improved Wellness: Ensure accurate pH measurement for your body with our pH test strips that feature a wide measurementORAPXI Pool Salt Tester ORAPXI pH and Salt Meter for Saltwater Pool pH and Salinity Digital Tester 5 in 1 Salt Meter for Swimmi Test pool salt level- Salt range:0-9990ppm/10-100pptTEKCOPLUS 2 in 1 Temperature pH Monitor Meter Tester Sensor test Kit 0~14.0 pH Automatic Buffer Recognition BNC electrode Probe fo Accurate Test : The Ph Meter With a sensitive electrode sensor ph tester with 0-14.0 measuring range could read accurateDpofirs Online Water Quality Monitor, Water Quality Meter APP Control 5 in 1 Multi Parameter PH TDS Salt SG Temp Testing for Hyd PH CALIBRATION: With two calibration methods available, our device supports PH calibration at 6.86, 4.01, and 9.18 or 7.LVKMOSO Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Household Drinking with UL Certification and 3 pH Calibrat 【Family Essentials】As a tool to improve the quality of life. Can be used to test drinking water, swimming pools, PH bala26% Off Verjun Verjun Boric Acid Vaginal Suppositories 600mg - Gelatin Capsules, Natural Vaginal Wellness, Odor Control, pH Balance - 1 🌷 Total Feminine Wellness: Verjun Boric Acid Vaginal Suppositories are designed to empower you with safe and effectiveTOPSHINE PH Meter, 4 in 1 PH EC TDS Temp Meter for Water Hydroponics, 0.01 High-Accuracy Waterproof Digital Water PH Tester with 【4-in-1 Water Quality Tester】 Accurate Measurement of pH, TDS (ppm), EC (μS/cm / mS/cm), and Temperature ; enable to tak30% Off iKKEGOL iKKEGOL 3 in 1 Soil Moisture Light PH Meter for Indoor Outdoor Plants Garden Lawn (Round Head) 3-IN-1 FUNCTION - Measure soil's moisture, pH and light sensor by just plugging two 20cm probeGeneric Water Quality Tester, PH Smart Water Testing Meter with LCD Display, WiFi Water Quality Monitor with APP Control, Temp T 【Online APP Monitoring】Smart digital multi-parameter water quality tester. User can monitor or view real time data via sGDSanlian GDSanlian 16 in 1 Premium Water Test Kit - High Sensitivity Drinking Water Test kit -Test Strips Detect PH, Lead, Iron & 【 16-in-1 Water Quality Testing Kit 】 - Test 16 parameters of your water, including pH value, to easily understand its hB-Qtech B-Qtech Digital Water Quality Tester 5 in 1 TDS/EC/Salt/S.G/Temp Temp,Water Hardness Set, Drinking Water Test for Aquari Intelligent digital detector: The advantage of this water quality detector is that it can view data through mobile softwGeneric Ph Test Strips 0-14 | Ph 0-14 100 Strips Ph Strips | Ph Strips Ph Test Paper 100 Strips for Saliva, Soap, Urine, Food, L Health Tracking: Simplify your health routine with our pH test strips, featuring a wide measurement range of 0 to 14. ThKuyatE pH Strips, Universal (pH 0-14), for Saliva, soap, Urine, Food, Liquid, Water and Soil Testing, Accurate Salt and Freshwa [General Quality Test]- Litmus pH test strips [0-14] are used to test water, soil, soap, chemical experiments, pet food,Yosoo Water Quality Test Kit, Professional Portable PH Testing Box, Swimming Pool, for Swimming Pools, Hot Springs Outdoor Sav Here is a simple, portable dual-use box containing PH and test fluids, as well as the corresponding colorimetric.AIMALL AIMALL 100PCS Test Strips pH 0-14 Alkaline Acid Urine Saliva Litmus Paper Kit Sticks for Saliva Urine Water Soil Testing 📊 Accurate pH Testing: With a range from 0-14, these test strips provide reliable readings for assessing the pH balancegingersun pH Test Strips, Universal Application (pH 0-14), 100 Strips for Saliva, Soap, Urine, Food, Liquids, Water with Soil Test [Universal Quality Test] Litmus pH Test Strips [0-14] for Testing Water, Soil, Soap, Chemistry Experiment, Pet Food, DieSuithink Suithink High Sensitivity Water Testing Kits-16 in 1 Complete Water Test Kit for Detecting pH, Lead, Iron, and Many Othe Multifunctional Detection: This 16-in-1 Water Quality Test Kit can comprehensively detect 16 key indicators in water, inJust Fitter UTI Urine Test Strips. Urinary Tract Infection Strip. Simple, Fast & Accurate Results. Urinalysis Home Testing Stick Kit ACCURATELY MEASURE 10 PARAMETERS - Accurately Measure Your Leukocytes, Nitrite, Urobilinogen, Protein, pH, Blood, SpecifKONLREMA Soil pH Paper Test Kit, 100 Soil pH Tester Strips (3-9 Range), Test Soil Acidity and Alkalinity for Testing Garden Home Accurate Soil pH Testing - Ensure optimal plant growth with Soil pH Test Strips. Measure pH levels (pH 3-9) for outdoorZosylala Zosylala High Precision Digital PH Test Pen - Water Quality Tester for Drinking Water, Aquariums, Swimming Pools, Hydrop Accurate & Reliable: Our digital pH test pen is equipped with a high-sensitivity glass bulb sensor and advanced microproGihioue Gihioue PH Indicator Solution - Water PH Tester - 10ml Reagent Fluid for Water Balance Measurement Balancer Meter for Pl Stable pH Monitoring: Delivers consistent readings and trusty functionality over extended use, maintaining accuracy forPoiijbxz Poiijbxz 4 Set of 320 Strips Test Strips 1-14 PH Litmus Paper Ph Test Strips Water Cosmetics Soil PH Test Paper Strips w Full pH test range: our product offers a complete test range from pH 1 to pH 14, whereby 1 is the acidic and 14 of the mWEEGEEKS 5-in-1 Digital Salt Tester for Aquarium and Pool TDS, pH, Salinity, EC, and Temperature Meter, Accurate Readings, LCD Di MULTI-FUNCTIONAL WATER TESTING: Keep your water pristine with our 5-in-1 tester. It measures TDS (0-1000ppm), pH (0.01-1Just Fitter Vaginal pH Test. pH Balance Test Strips for Women. A Vaginal pH Product Test Helps Prevent BV Bacterial Vaginosis and ma ACCURATELY MEASURE YOUR VAGINAL PH LEVELS. These strips will help you measure your vaginal ph levels through the vaginalGeneric pH Test Drop | Pool pH Testing Drops 50ml - Aquarium Water Quality Detection Agent for Home School, Swimming Pool Analys Smart Water Quality Management: This pH testing solution enables precise water quality analysis, detecting acid-base balBiafiog Biafiog 1 PCS Plastic Digital Food PH Meter 0.00-14.00 PH Temp Acidity Tester Dough Soil PH Detector for Meat Cheese Bre Alarm function: when the PH is below 3.5 or above 12.5, the red backlight lights up. When the ambient temperature is bel24% Off API API 5-in-1 Test Strips for Freshwater and Saltwater Aquariums, 25 Count Tests five key water parameters pH, nitrite, nitrate, carbonate and general hardnessPRIMED PRIMED | 20-in-1 Drinking Water Test Kit | 125 Testing Strips | 2 Bacteria Tests | at Home Water Testing Kit - Tap & Wel EASY TO USE - Simple at home kit for all of your water testing applications. Dip test strips in water, wait the describeB-Qtech B-Qtech Digital Water Quality Tester 8 in 1, PH/TDS/EC/ORP/S.G/H2/SALT/TEMP Tester, Portable Water Tester for Drinking W 【8 in 1 Function】This is a water tester with TDS Meter, Ph meter, EC, salinity, ORP, S.G sea water meter and temperatureAPI API pH Test Kit for Freshwater Product Type: Pet SuppliesGDSanlian GDSanlian 7-in-1 Professional Water Test Strips 50 Strips – Instant Pool/Spa/Drinking Water Testing Kit for pH,Chlorine 1️⃣ 【7 Critical Parameters in 1 Dip】 Precisely measure TOTAL HARDNESS, TOTAL CHLORINE, FREE CHLORINE, BROMINE, ALKALINAqua One Aquarium Quick Drop pH Test Kit 92000 Fish Tank Aqua One WHY USE A pH TEST KIT?gingersun 7 in 1 Pool Test Strips, 100pcs, Pool & Spa Test Strips, Water Quality Testing Strip for Hardness, Chlorine, Bromine, pH [7-In-1 Water Testing Strips] 7 squares adopted premium fiber orderly lie on the paper strip with a coating, making it cSeachem Seachem 12 PH and Ammonia Alert Combo Pack, 2 Monitors Continuous monitoring for both ammonia and pH in freshwaterPearyaest Pearyaest 8 in 1 Digital Water Quality Tester,S.G/PH/TDS/EC/ORP/H2/SALT/TEMP Tester, Portable Water Tester for Drinking 【8-in-1 Multifunctional Water Quality Analyzer】- Pearyaest TDS meter is an 8-in-1 functional water quality tester capablKONLREMA PH Test Strips 0-14, 100 Strips Universal Litmus Papers for Urine, Saliva, Water, Food - Accurate Results in Seconds, Al 0-14 pH Test Strips - Quickly and accurately test alkalinity and acidity levels from 0-14 pH.JUMXSRLE JUMXSRLE pH Test Strips, 160 Strips Full Range 1-14 Universal pH Test, Litmus Paper for Teaching, Student, Chemistry Exp Accurate pH Measurement - The ph test strips color changes must be matched with the pH scale color chart within about 15Maciebelle Digital Water Quality Tester, TDS EC Temperature Meter 3 in 1, 0-9999 ppm LCD Display for Drinking Water Test, Swimming [ RELIABLE TDS METER WITH ACCURATE & QUICK MEASUREMENT ] Equipped with premium quality titanium alloy probe, TDS water qAIMALL AIMALL PH Test Strips Litmus Paper Set for Saliva Urine Acid Alkaline Pool Liquid Indicator with 1-14 PH Scale for Accur 📊 Accurate and Reliable pH Testing: These litmus paper strips offer precise pH measurements from 1 to 14, allowing youGeneric 50ml PH Test Indicator Agent | 50ml Drinking Water Testing Solution,PH Test Drop,Swimming Pool Analysis Reagent, Ideal f Water Purifier Detection: Analyze pH values to confirm safe drinking water compliance, assess filtration system efficienOidnvay Oidnvay Water PH Chlorine Tester Swimming Pool Quality Spa Level Meter Analysis Measurement Monitor Detector Check Test Application widely: This PH meter is very suitable for various tasks, such as swimming pool, tap water, home brewing, laVIOLK 6 in 1 Water Testing Meter, Tester Swimming Pool Spa Water Quality Analyzer with Probe Digital Test Meter, PH CL EC TDS 6 In 1 Pool Monitor: Our smart monitor could test PH CL EC TDS ORP and temperature, adopts high sensitive glass probe, tDomary Domary WiFi Digital Water Quality Tester Wall Mounted 6 in 1 Water Analyzer PH/EC/TDS/Salt/S.G/Temperature APP Remote Mo 6 in 1 Multifunction Tester: PH/ EC/ TDS/ SALT/ S.G/ Temperature, short press the MODE button for easy switching. Temper19% Off Mingzhe Mingzhe pH Meter High Precision Portable pH Tester Backlight Display Water Quali Tester for Laboratory Drinking Water Hy - Backlight Display: Easy to read and does not affect the use in the dark.KONLREMA Universal pH Test Strips 0-14, 100ct Kit for Food, Soap Making & Kombucha, Accurate Litmus Paper pH Test Strips for Liqu Advanced 4-Color Blocks : The pH test strip adopts a four-color block technology, offering an edge over traditional litmHuakaile pH Test Strips, pH 1-14 Litmus Paper pH Test Strips, Universal Indicator Litmus Test Paper, Acid Alkali Test Paper, pH T 【3 Packs of 240 pH Test Strips】 You will get 3 packs of 240 litmus test paper strips. Every 80 pH test strips are packedGearwell HT - 1202 Digital pH Meter, High Precision pH Tester, Water Quality Tester, 0-14 pH Range, Digital Water Tester, Tempera Large LCD displays PH or mV and Temperature simultaneouslysera sera pH Test 4.5-9 Range Testing Kit Perfect for keeping track of alkali levels to ensure plant life enjoys nutrient-rich, pollutant-free waterALL IN RED BOX ALL IN RED BOX Portable 4-in-1 Water Testers, Water Quality Testing Kit - High Accuracy Digital pH/TDS/EC/Temp Pen Set P Test your water: How Pure is Your Water? With the push of a button, the water tester can tell you your overall water purMaizoon Maizoon Water Quality Tester Kit Portable to Measure pH and Chlorine Levels Suitable for Aquariums Swimming Pools Spas W ♥ 【Test PH】 PH CL2 chlorine tester, an essential tool for fast and accurate PH and chlorine readings.DNAMYJME 17 in 1 Drinking Water Testing Kits with Tube 125 Strip Accurate Drinking Water Quality Test Kit Tap and Well Water Test [Comprehensive Test Strips] This water testing kit covers a wide range of parameters including pH, lead, chlorine, hardnJohn Frederick Straube Building Science for Building Enclosures KONLREMA Pool Test Strips 7 in 1, 100 Strips Pool & Hot Tub Test Kit Strips, Water Quality Testing for Chlorine, Bromine, pH, Har Premium Home Use 100 Pool Test Strips - This Pool Water Testing Kit provides 100 test strips, enough to cover your pool'Jectse 100Pcs PH Test Strips Accurate Measurement for Cosmetics, Drinking Water, Soil Quick Results, Convenient Comparison with QUICK MEASUREMENT: PH test paper strips get the results quickly and in as little as 60 seconds, accurate at the same timEASYTEST EASYTEST 7-Way Pool Test Strips, 150 Strips Water Chemical Testing for Hot tub and Spa, Accurate Test Bromine, Total Alk AFFORDABLE 150 STRIPS: This water chemical testing kit contains 150 test strips. Enough balanced for your swimming pool,REFENG REFENG WiFi Digital Water Quality Tester, Wall Mounted 6 in 1 Water Analyzer, PH/EC/TDS/Salt/S.G/Temperature APP Remote 💖 Water quality analyzer can be used to distinguish between drinking water and non-drinking water, and can test the watkuitgh PH ORP Calibration Solution - Reusable Portable Ph Tester Adjuster for EC TDS Testers - 25ml 84us/cm 1413us/cm 12.88ms/c Reland Sun PH Value Detection Detect Regulator Sensor Module Monitoring Control Meter Tester PH 0-14 for Arduino Reland SunGeneric Ph Test Strips 0-14,Ph 0-14 Ph Strips for Water Testing | 100 Strips Ph Test Strips for Saliva, Soap, Urine, Food, Liqui ✣Monitor Urine Ph: Keep an eye your body's pH levels with these pH test strips, suitable for monitoring urine, saliva, aSeachem Seachem Ph Checker Monitors pH solution in aquariumYizene 100Pcs Ketone Test Strips, URS-10T Urine Analysis Uti Test, Urine Test Strips, Home Test Stick Kit, for the Analysis of Packaging: You will receive 100 pieces of urine test strips, a practical package that meets your daily testing needs.01 PH-986 TDS Meter Digital Water Tester PH/TDS/TEMP Test Pen 3-in-1 LCD Display Water Quality Test Pen for Drinking Water, B-Qtech B-Qtech Water Quality Tester, PH/CL/ORP/H2/Temp 5 in 1, Chlorine Tester Digital, Portable PH Tester with LCD Display, fo 【5-in-1 Design】 The water quality tester can measure PH/COLOR/H2/OPR/TEMP indicators. You can use it to measure the chlogingersun Gingersun 7 in 1 Aquarium Test Kit, Fish Tank Test Strips, 100 Strip Pack，Freshwater Aquarium Test Kit to Detect pH Nitr 【7 in 1 water test paper】These aquarium test strips can test 7 kinds of components in the water, help you to understandAPI API Pond Test Strips, 25 Count Measures pH, nitrite (NO2), nitrate (NO3), carbonate hardness (KH) and general hardness (GH)Fulasun Water Testing Kits with Tube Accurate Water Quality Test Kit for Well and Tap Water 100 Strips 2 E. coli Power Reliable ✨【Complete Testing】 This water testing kit contains most comprehensive parameters that providing complete testing for thuxcell uxcell PH Test Strips, 2 Pack 160 Indicator Papers Litmus Tester for Water Food Soil Alkaline Testing, Red Strip Reaction Limit of Detection: 1000ppm; Litmus papers are used to determine the pH level of a liquid and determine iGeneric Ph Test Strips - Ph 0-14 Ph Strips for Water Testing | 100 Strips Ph Test Paper to Test Drinking Water, Food, Pools, Aqu ◨Monitor Urine Ph: Keep an eye your body's pH levels with these pH test strips, suitable for monitoring urine, saliva, aAqua One AQUA ONE MARINE 5 IN 1 TEST KIT PH NH4 NO2 NO3 PO4 Generic pH Test Strips, 3 Pack of 240 Pieces，Range 1-14 Universal pH Test Paper ，Litmus Test Paper，ph Balance Test Strips for Wa 【PH Test Strips】PH test papers are a convenient tool used to measure the acidity or alkalinity of a substance. They consGeneric Pool Water Test Strips | 100x Ph Pool Test Strips | Hot Tub Testers, Quick & Accurate Spa Testing Supplies for Ph Chlori Versatile in uses: Pool Water Test Strips Swimming Pool Test Strips Maximize safety by monitoring pH, chlorine, hardnessgingersun Gingersun 10 in 1 Aquarium and Ammonia Test Kit, 100PCS Aquarium Test Strips to Detect Fe Cu pH Nitrite Nitrate Chlorine 【10 in 1 AQUARIUM TEST STRIPS】 These aquarium test strips can test 10 kinds of components in the water,including 100 couGeneric Probability of exceeding capacity of flood-control system at the National Reactor Testing Station, Idaho / by P.H. Carri YNPQTDS YNPQTDS Pool Water Test Strips,100x Water Ph Test Strips - Swimming Hot Tub Quick & Accurate Spa Testing Supplies for Ph Wide range of application: Achieve clear water by monitoring and adjusting pH, chlorine, hardness, and alkalinity levelsgingersun Gingersun 100 Strips Pack 9 in 1 Aquarium Test Kit, Fish Tank Test Strips, Freshwater Aquarium Test Kit to Detect Fe Cu 【9 in 1 water test paper】These aquarium test strips can test 9 kinds of components in the water, help you to understandEASYIN pH Test Strips 4.5-9,200 Litmus Paper pH Strips for Urine & Saliva - pH Balance Test Strips for Accurate Body pH Testing