Hydros Slim Temperature Probe - Hydros
Hydros Slim Temperature Probe - Hydros
Buy now, pay later
Split your purchase into smaller payments with the provider you prefer. Pick your plan at checkout.
Checking out with Shop Pay? The Shop Pay screen only offers Shop Pay Installments. To pay with PayPal, Klarna, or Affirm, select Check out as guest to see every payment option, or use the PayPal button in your cart.
Shop Pay Installments
- 4 interest-free payments every 2 weeks on orders from $50 to $999.99
- 2 interest-free payments on orders from $35 to $50
- Monthly plans on orders from $150
- Check out with Shop Pay, then choose an installment plan
Payment options are offered by Affirm and are subject to an eligibility check and might not be available in all states. Monthly plans may include interest (0–36% APR). CA residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Finance Lender license.
Learn more about Shop Pay Installments
PayPal Pay Later
- Pay in 4: 4 interest-free payments every 2 weeks on purchases from $30 to $1,500
- Pay Monthly: 3 to 24 monthly payments on purchases from $49 to $10,000
- Select PayPal in your cart or at checkout, then choose Pay Later
Pay in 4 is available to consumers upon approval and is not currently available to residents of MO. Pay Monthly is subject to consumer credit approval, with a fixed APR of 9.99–35.99%. The lender for Pay in 4 is PayPal, Inc. (NMLS #910457). The lender for Pay Monthly is WebBank.
Learn more about PayPal Pay Later
Klarna
- Pay in 4: 4 interest-free payments every 2 weeks on orders of $35 or more
- No interest or fees when you pay on time
- Choose Klarna as your payment method at checkout
Klarna Pay in 4 is subject to approval and isn't available in Hawaii, U.S. territories (excluding Puerto Rico), or for APO/FPO/DPO addresses. Late fees may apply.
Learn more about Klarna
Affirm
- Pay in 4: 4 interest-free payments every 2 weeks on eligible orders from $50
- Monthly plans with rates from 0–36% APR based on credit
- No late fees or hidden fees
- Choose Affirm as your payment method at checkout
Payment options through Affirm are provided by these lending partners: affirm.com/lenders. Your rate will be 0–36% APR based on credit and is subject to an eligibility check. Affirm Pay in 4 is 0% APR. Options depend on your purchase amount and may vary by merchant. A down payment may be required. CA residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Financing Law license.
Learn more about AffirmUPC: 850009641205
Goes well with:
90 Day Returns
Reef Guard Covered
Ships Overnight
Orders Over $399*
Expert Support
We've got your back!
The HYDROS Slim Temperature Probe gives aquarists a reliable, passive way to monitor water temperature without adding clutter or complexity to a system. Its IP68-rated waterproof housing allows full submersion, and its slim profile — 1.6" long, 0.32" in diameter — makes it easy to tuck out of sight in a sump chamber, overflow, or the back section of an all-in-one tank. There are no moving parts to wear out and no calibration steps required at setup or over time.
The probe plugs directly into any Sense Port on a HYDROS Control 2 or Control 4 hub. The GX12 aviation-style connector preserves the IP65 rating of the Control 2 and Control 4, keeping the overall system sealed against dust and water intrusion. With a 79" cord, placement flexibility is substantial — long enough to reach from a controller mounted on a stand to a probe positioned anywhere within the sump or display.
Through the HYDROS app, the probe integrates into automated safety routines. Users can configure temperature thresholds that trigger mobile push notifications, or set outlets controlling heaters, chillers, or fans to switch off automatically when readings fall outside a defined safe range. This requires compatible HYDROS-controlled power hardware such as the Power 4 or a Smart Plug. Running two or more probes — one in the display, one in the sump — adds a layer of redundancy useful for multi-level installations where the tank and equipment cabinet are on different floors.
This probe ships included with the HYDROS Control 2 and Control 4. It is also available individually as a replacement or as an additional sensor for systems where monitoring multiple water volumes is a priority. It is compatible with both freshwater and saltwater aquariums and carries a one-year warranty from CoralVue.
Overview
Monitor. Alert. Automate.
A passive, always-on temperature probe that connects directly to the HYDROS ecosystem for monitoring, alerts, and outlet automation.
Discreet Form Factor
- 1.6" length and 0.32" diameter fit tight spaces easily
- IP68-rated for full submersion without concern
- All-black housing blends into sump and AIO environments
Ecosystem Integration
- Plugs into any Sense Port on Control 2 or Control 4
- GX12 aviation-style connector preserves hub IP65 rating
- 79" cord for flexible placement across tank and sump
Alerts and Automation
- Set custom temperature thresholds for push notifications
- Trigger outlet shutoff for heaters, chillers, or fans
- Run multiple probes simultaneously for redundancy
Specifications
HYDROS SLIM TEMPERATURE PROBE
- Length
- 1.6"
- Diameter
- 0.32"
- Cord Length
- 79"
- Connector Type
- GX12 aviation-style
- Waterproof Rating
- IP68
- Power Source
- Sense Port (no additional power required)
- Compatible Devices
- HYDROS Control 2, Control 4, and future HYDROS devices
- Moving Parts
- None
- Calibration Required
- No
- Application
- Freshwater and saltwater aquariums
- Warranty
- 1 year from date of purchase