Home
Specials
Livestock
New Items
Education
Forums
Help & Info
New Customer?
Register
|
Sign In
Narrow Your Search
Saltwater Aquarium Supplies
Accessories (43)
Single Item Monitors... (22)
Multi Item Monitors ... (18)
Shop By Brand
American Marine (11)
Aquadyne (20)
Captive Purity (2)
Digital Aquatics (3)
Elos USA (3)
Hanna Instruments (10)
Neptune Systems (19)
Reef Fanatics (2)
Tunze (4)
X-10 USA (9)
Browse by Price
$25 or less
$25-$65
$65-$105
$105-$195
$195-$380
$380 and more
Top sellers
Hanna Instruments Combina...
Digital Aquatics ReefKeep...
American Marine Pinpoint ...
American Marine Pinpoint ...
Neptune Systems AquaContr...
Neptune Aquacontroller 3 ...
Aquarium Supplies
Additives
Air Pumps
Aquariums
Books & Cd's
Calcium Reactors
CO2 Regulator Kits
Chillers
Controllers
Dosing Pumps/Top-Off
Filters
Filter Media
Food
Freshwater Products
Heaters
Hydrometer
Lighting
Maintenance
Medications
Miscellaneous
Overflow Boxes
Ozonizers
Plumbing Parts
Powerheads
Protein Skimmers
Pumps (External)
Reverse Osmosis
Salt Mix
Substrate
Test Kits
Thermometers
UV Sterilizers
Wavemakers
Wet/Dry Filters
Shop By Brand
Pond Supplies
Reef Tank Packages
Betta Store
Coral Propagation
Clearance
Gift Certificates
Home
»
Saltwater Aquarium Supplies
»
Testing Equipment
»
Monitor Equipment
»
83 items found
Search my results:
Sort By:
Best Match
Lowest Price
Highest Price
Lowest Rated
Highest Rated
Title (A to Z)
Title (Z to A)
Display items:
15
30
60
|<<
Previous
1
2
3
4
5
Next
>>|
Octopus Flow Switch Assembly (1.5 inch PVC Slip Fitting)
The Flow Switch Assembly allows the Octopus 3000 to detect whether flow rates are above or below a certain user adjustable level, and triggers a local audible alarm or remote pager alarm (optional). Factory adjusted to close the c...
Be 1st to review
Accessories: See all items
Our Price: $129.99
Item Code: OP3515
Octopus Level Switch Assembly
The Level Switch Assembly permits the monitoring of the water level, and triggers a local audible alarm and pager alarm (optional) in the event of a high or low condition. Switch can be installed either as normally open or normall...
Be 1st to review
Accessories: See all items
Our Price: $59.99
Item Code: OP3513
Octopus Power Failure Detection Switch Assembly (USA Only)
Power Failure Detection Switch with 110 VAC power supply and Mini-DIN connector. Provides audible alarm and pager alarm (optional) in the event of a power failure. For USA use only. In order for the Octopus to issue either a loca...
Be 1st to review
Accessories: See all items
Our Price: $59.99
Item Code: OP3511
Octopus RS-232 Modem/Ethergadget Cable (10ft)
10-ft. cable connects modem and ethergadget to the Octopus Controller. The Modem Cable is required for connecting a modem to either the Octopus or AquaNode. Due to the unique wiring configuration of this cable, non-Aquadyne cable...
Be 1st to review
Accessories: See all items
Our Price: $24.99
Item Code: OP3273
Octopus UPS Battery Backup (USA Only)
UPS Battery Backup for Octopus Controllers
Be 1st to review
Accessories: See all items
Our Price: $189.99
Item Code: OP3713
Portable pH Pen/Meter
This handy pH pen/meter is a great tool for any aquarist. It is extremely easy to use and is waterproof. Simply dip the meter in the solution to get the pH reading. Its high accuracy and resolution also make it suitable even for t...
Avg. Customer Review (3) reviews
Single Item Monitors & Controllers: See all items
Our Price: $59.99
Item Code: CP2131
PRE-ORDER- Digital Aquatics ReefKeeper Elite Controller
The ReefKeeper Elite is true to its name, standing alone in the industry as the most innovative aquarium controller on the market. With the most intuitive interface and easy use system controls, you`ll find it will simplify all as...
Be 1st to review
Multi Item Monitors & Controllers: See all items
Our Price: $499.99
Item Code: DA1115
Pro Powerline Interface Module
X-10 Pro Powerline Interface The X-10 Control Interface plugs into a standard wall outlet and connects to the Octopus via a 7 ft. RJ-11 cable. The Control Interface transmitts X-10 command signals via the existing AC wiring to tu...
Be 1st to review
Accessories: See all items
Our Price: $43.99
Item Code: OP3251
Reef Fanatic pH Controller
An advance pH controller for saltwater aquariums and plant aquariums. Micro pH controller includes pH probe and one set of pH calibration fluid. Excellent for reef aquarium with calcium reactor setup and plant aquarium with CO2 s...
Be 1st to review
Single Item Monitors & Controllers: See all items
Our Price: $189.99
Item Code: RC1711
Reef Fanatic pH Monitor
Our pH monitor offers cont