
Precise Readings That Hold Up Outdoors
Accuracy You Can Trust
A high-precision sensor and dedicated chip keep every reading within 5% accuracy. Trust the numbers, gallon after gallon.
See Your Usage Four Ways
Switch instantly between flow rate, consumption, average, and cumulative totals. Know exactly how your water is really being used.
Sunlight-Readable Display
The oversized LCD stays crisp and clear even under direct sunlight. No more squinting mid-task in the garden.
All-Weather Toughness
Built to an IPX6 waterproof standard, it shrugs off rain, splashes, and daily outdoor exposure. Your data keeps flowing, rain or shine.
What our 17,000+ Customers say
Based On Real and Honest Experiences
Frequently Asked Questions
How accurate is this for filling my RV tank?
How accurate is this for filling my RV tank?
It threads onto the same 3/4" connection RVs use to fill fresh tanks, and keeps every reading within 5% accuracy, so you know you're full before it overflows.
Why choose this over the cheaper meters online?
Why choose this over the cheaper meters online?
Bargain meters often drift or wash out in daylight. HydroGauge keeps readings within 5% accuracy on a display built to stay readable in direct sun, backed by an IPX6 waterproof rating.
Is it waterproof, or will rain ruin it?
Is it waterproof, or will rain ruin it?
It's built to an IPX6 waterproof standard, so rain, sprinkler overspray, and everyday splashes won't stop it from reading accurately or damage the unit.
Can this stay outside all season, or do I need to bring it in?
Can this stay outside all season, or do I need to bring it in?
Yes—it's built to an IPX6 waterproof standard for daily outdoor exposure, so it can stay connected through the season without coming inside after each use.
Does this fit my 5/8" hose, or only 3/4"?
Does this fit my 5/8" hose, or only 3/4"?
Garden hoses of any diameter, including 5/8" ones, typically use the same 3/4" threaded connector—the standard fitting this meter is built for, so it should thread right on.
Will high water pressure damage it?
Will high water pressure damage it?
It's rated for flows up to about 12 gallons per minute (45.5 L/min), which is well within what a standard garden hose or RV fill line delivers at normal household pressure.
How long does the battery last, and is it easy to replace?
How long does the battery last, and is it easy to replace?
It runs on one widely available CR2032 coin-cell battery that typically carries you through a full outdoor season of regular use, and it's a quick swap when the time comes.
Can I use this on my sprinkler or irrigation line too?
Can I use this on my sprinkler or irrigation line too?
Yes. It's rated for flows from about 1 up to 12 gallons per minute, which covers typical sprinkler and irrigation setups as well as regular hose watering.