General FAQs
Q1: How long do the test strips last? How many tests can I do with this kit?
Q1: How long do the test strips last? How many tests can I do with this kit?
Test strips are best used within 6 months after opening and up to 2 years if sealed.
Q2: My results don’t match the chart exactly — what should I do?
Q2: My results don’t match the chart exactly — what should I do?
Use your best judgment to select the closest color match, or estimate a value between two colors.
Q3: How should I store my test kits?
Q3: How should I store my test kits?
Keep them in a cool, dry place away from direct sunlight.
Q4: Are these tests reusable?
Q4: Are these tests reusable?
No — for accurate results, use a fresh strip for each test.
Q5: Can I use the pool & spa strips for drinking water?
Q5: Can I use the pool & spa strips for drinking water?
No — these are calibrated for pool and spa chemistry.
FAQs
Q1: Does the kit test for E. coli and bacteria?
Q1: Does the kit test for E. coli and bacteria?
Yes. The VARIFY 17-in-1 Complete Water Test Kit includes 2 bacteria tests that screen for Total Coliform bacteria and E. coli, in addition to the 17 water quality parameters measured by the test strips.
Q2: My bacteria test turned BLUE instead of yellow or green. What does that mean?
Q2: My bacteria test turned BLUE instead of yellow or green. What does that mean?
No. The bacteria test should be interpreted according to the instructions at 48 hours.
- Yellow = Negative
- Green = Positive
- Blue or blue-green is NOT considered a positive result.
If your result is unusual or difficult to interpret, simply send us a photo and we'll gladly review it for you.
Q3: Can I buy replacement bacteria tests separately?
Q3: Can I buy replacement bacteria tests separately?
At this time, replacement bacteria tests are not sold separately. They are currently available only as part of the VARIFY Complete Water Test Kit.
Q4: What happens if I miss reading the bacteria test exactly at 48 hours?
Q4: What happens if I miss reading the bacteria test exactly at 48 hours?
For the most accurate interpretation, the bacteria test should be read at 48 hours. Results observed significantly after the recommended reading time may change and should not be used for interpretation. If you miss the reading window, we recommend repeating the bacteria test.
Q5: Can you help me interpret my results?
Q5: Can you help me interpret my results?
Absolutely. If you're unsure how to read your results, simply send us:
- A photo of your completed test strip next to the color chart, or
- A photo of your bacteria test.
Our support team will gladly help you interpret your results.
Q6: Why do all my test strips show the same results?
Q6: Why do all my test strips show the same results?
Some water sources naturally produce similar readings, especially if they come from the same municipal supply. If you're unsure, send us photos and we'll review them.
Resources
EPA Standards Comparison Chart
EPA Standards Comparison Chart
Compare your water test results with official EPA safety standards for complete confidence.
Printable Color Chart
Printable Color Chart
Access the Printable Large Color Chart to easily compare your test strip results.
Test Record Sheet
Test Record Sheet
Keep track of your test readings and monitor water quality over time.
Safe Drinking Water Ebook
Safe Drinking Water Ebook
Discover expert tips and insights on maintaining healthy, safe, and great-tasting water at home.
FAQs
Q1: My readings don't match other pool kits — why?
Q1: My readings don't match other pool kits — why?
Possible cause: expired or moisture-damaged strips. Always seal tightly.
Q2: Can I use these in hot water?
Q2: Can I use these in hot water?
No — samples should be cooled to room temp for accurate reading.
Q3: Why is my hardness always low even after adding chemicals?
Q3: Why is my hardness always low even after adding chemicals?
Likely soft fill water source — spa needs additional calcium increase.
Q4: The strip color doesn't change — now what?
Q4: The strip color doesn't change — now what?
Check expiration date and moisture exposure. May require replacement.
Q5: Should I test from the jets or standing water?
Q5: Should I test from the jets or standing water?
Circulate the water first, then test near the center, not stagnant corners.
Q6: How often should I test spa water?
Q6: How often should I test spa water?
2–3 times per week for proper balance.
Resources
Pool & Spa Water Care Handbook
Pool & Spa Water Care Handbook
Get the complete Pool & Spa Water Care Handbook and keep your water perfectly balanced.
Pool & Spa Color Chart
Pool & Spa Color Chart
Access the Printable Large Color Chart to easily compare your test strip results.
FAQs
Q1: Does the meter automatically shut off?
Q1: Does the meter automatically shut off?
No — you must manually press the power button to turn it off.
Q2: What does the TDS number mean?
Q2: What does the TDS number mean?
0–50 ppm = excellent
50–150 ppm = good
150–300 ppm = fair
300+ ppm = hard / mineral-heavy
Q3: Can it test fluoride, chlorine, or bacteria?
Q3: Can it test fluoride, chlorine, or bacteria?
No. A TDS meter only measures total dissolved solids, not specific contaminants.
Q4: Do I need calibration?
Q4: Do I need calibration?
No — it is factory-calibrated. Just rinse after each use.
Q5: The temperature reads incorrectly — what should I do?
Q5: The temperature reads incorrectly — what should I do?
Remove and reinsert batteries to reset, then test again.
Q6: How many tests can I do?
Q6: How many tests can I do?
Hundreds — there is no fixed limit.
Resources
TDS Meter User Guide
TDS Meter User Guide
Learn how to properly use and calibrate your TDS Meter for accurate, reliable readings every time.
TDS Meter Reading Guide (PPM)
TDS Meter Reading Guide (PPM)
Understand what your TDS readings mean and how different PPM levels affect water quality.
FAQs
Q1: The strip stayed white — what does that mean?
Q1: The strip stayed white — what does that mean?
Very soft water (low hardness) or damaged/expired strip.
Q2: Why are there 2 refill pouches in the box?
Q2: Why are there 2 refill pouches in the box?
They are extra strips (not different tests), kept sealed for freshness.
Q3: How long should I dip the strip?
Q3: How long should I dip the strip?
1–2 seconds only, then read after 15–30 seconds.
Q4: Why doesn’t my color match the chart?
Q4: Why doesn’t my color match the chart?
Likely humidity exposure or expired product.
Q5: Do I need to shake off water before reading?
Q5: Do I need to shake off water before reading?
Yes — gently shake excess water before comparing color.
Q6: What is a normal hardness level?
Q6: What is a normal hardness level?
0–50 ppm = very soft
50–120 ppm = soft/moderate
120–250 ppm = hard
250+ ppm = very hard
Resources
Water Hardness Color Chart
Water Hardness Color Chart
Quickly compare your test strip colors to determine water hardness levels with accuracy.
Guide to Water Hardness
Guide to Water Hardness
Learn what causes hard water, how it affects your home, and the best ways to treat it.
FAQs
Q1: What's included in the Mold Test Kit?
Q1: What's included in the Mold Test Kit?
Each kit includes petri dishes with growth medium, numbered labels, a mold test record chart, and instructions. Some kits also include swabs for testing surfaces.
Q2: How many rooms or areas should I test?
Q2: How many rooms or areas should I test?
Most people test 3 to 6 spots. Good choices are a bathroom, kitchen, bedroom, and any area that smells musty or has had water damage. Testing several spots also helps you see if a result is just one room or the whole home.
Q3: How long does it take to see results?
Q3: How long does it take to see results?
Growth can show up within 48 hours. We recommend waiting a full 4 days before reading your final result, since some mold grows slowly and may not be visible yet at 48 hours.
Q4: Is this kit a substitute for professional mold testing?
Q4: Is this kit a substitute for professional mold testing?
No. This kit is a helpful first check, not a replacement for a professional inspection. If you see heavy growth, several mold types, ongoing health symptoms, or signs of water damage, we recommend having a certified mold inspector look at your home.
Q5: I'm having health symptoms. Can this kit diagnose that?
Q5: I'm having health symptoms. Can this kit diagnose that?
No. This kit checks for mold in your environment. It cannot diagnose a health condition or confirm that mold is the cause of your symptoms. If you are concerned about your health, please talk to a doctor.
Q6: How do I contact support if I have questions about my results or order?
Q6: How do I contact support if I have questions about my results or order?
Visit the contact page on varify.com and our support team will be happy to help.
Resources
Home Mold & Moisture Guide
Home Mold & Moisture Guide
Learn what causes mold and moisture in your home, where it hides, and how to keep your space dry and safe.
Mold Test Kit Instructions & Result Guide
Mold Test Kit Instructions & Result Guide
Follow simple instructions to use your mold test kit and understand exactly what your results mean
Mold Test Record Chart
Mold Test Record Chart
Keep track of your test dates, locations, and results in one place to monitor mold levels over time.