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9,081 Results
Sort: Best Match
Best Match
Time: ending soonest
Time: newly listed
Price + Shipping: lowest first
Price + Shipping: highest first
Distance: nearest first
Type
Thermometer
Controller
Hydrometer
pH Electrode
Refractometer
Not Specified
Water Type
All Water Types
Marine
Fresh
Pond
Not Specified
Measured/Controlled Parameter
Temperature
Salinity
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Redox Potential
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Oxygen
Light Intensity
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0.7 gal.
1 gal.
3 gal.
5 gal.
10 gal.
15 gal.
25 gal.
30 gal.
45 gal.
50 gal.
55 gal.
65 gal.
75 gal.
100 gal.
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200 gal.
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Price
Under S$ 10
S$ 10 to S$ 20
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Neptune Apex Breakout Box DC Jacks w/ 6 cable leads included Hidden Mounting
Brand New
S$ 40.99
Was:
S$ 51.24
was - S$ 51.24
or Best Offer
S$ 29.84 shipping
60 watching
2x Covered Toggle 4x Push switch Apex Neptune breakout box with 24VDC alarm.
Brand New
S$ 142.38
Was:
S$ 177.97
was - S$ 177.97
S$ 33.76 shipping
30 watching
Magnetic 4 Probe Holder 3 Standard 1 Enlarged for Apex Neptune Temperature Probe
Brand New
S$ 31.88
Was:
S$ 39.85
was - S$ 39.85
or Best Offer
S$ 29.57 shipping
143 sold
Customizable Breakout Box 4x Lighted Toggle 2x Push Button for Apex Neptune
Brand New
S$ 108.19
Was:
S$ 135.24
was - S$ 135.24
or Best Offer
S$ 32.75 shipping
Only 2 left
New Listing
2PCS LCD Display Digital Thermometer Fish Tank Embedded Electronic Thermometer
Brand New
S$ 10.82
to
S$ 13.53
Was:
S$ 14.24
was - S$ 14.24
Free shipping
Reef Factory KH Keeper Plus
Brand New
S$ 857.12
S$ 223.86 shipping
4 watching
Neptune Systems A3 Apex Junior
Brand New
·
Neptune Systems
S$ 427.11
S$ 59.80 shipping
9 watching
New Listing
LCD Digital Temperature Thermometer Outdoor Reptile E2 For Fish Aquarium W8G3
Brand New
·
Unbranded
S$ 4.06
Free shipping
Fish Tank Tropical Aquarium Thermometer Floating Tempered Glass Sucker Easy Read
Brand New
S$ 5.94
S$ 1.00 shipping
155 sold
JW Pet Fusion Smart Temp Non-Standing Magnet Aquarium Thermometer - 2 Pack
Brand New
·
JW Pet
S$ 15.45
S$ 8.30 shipping
226 sold
Superfish Aquarium Thermometer Tropical Fish Tank Temperature Easy to Use
Brand New
·
Unbranded
S$ 2.80
or Best Offer
Free shipping
American Marine PINPOINT Lab pH Probe
Brand New
S$ 71.17
S$ 30.74 shipping
NEPTUNE TRIDENT NP AQUARIUM WATER ANALYZER
Brand New
·
Neptune
S$ 718.41
S$ 94.03 shipping
Customizable Apex Neptune Breakout Box 2x Lighted Toggle Switches Push Terminal
Brand New
S$ 85.41
Was:
S$ 106.77
was - S$ 106.77
or Best Offer
S$ 49.72 shipping
27 watching
Newest Smart Fish Tank Water Monitor 4-in-1 pH/TDS/EC/Temp 24h Online APP 3116
Brand New
·
Unbranded
S$ 67.77
Was:
S$ 96.82
was - S$ 96.82
S$ 62.37 shipping
11 watching
Bluefish Mini Gen2 Aquarium Wifi LED Light Controller
Brand New
S$ 212.14
S$ 35.82 shipping
Thermometer Adhesive Sticker Black LCD Flat Strip Window Fish Tank Aquarium
Brand New
S$ 4.03
to
S$ 22.42
S$ 14.91 shipping
New Listing
VBR-Aqua IP68 PAR Meter for Aquarium,Reef.R,G,B PAR Seperately.with a 3FT...
Brand New
S$ 113.90
S$ 42.90 shipping
New Unopened Neptune Systems Apex Energy Bar 832 EB832
Brand New
·
Neptune
S$ 355.94
S$ 104.92 shipping
Aquarium tank Auto top off Water Filler, water level controller don't need power
Brand New
S$ 14.22
Free shipping
150 watching
5 x LCD Thermometer Temperature Adhesive Sticker Sticky Strip Aquarium Fish Tank
Brand New
·
Unbranded
S$ 9.36
S$ 2.80 shipping
263 sold
Milwaukee Instruments MC122 Multifunction pH controller. (pH Controller only)
Brand New
·
Milwaukee
S$ 142.36
S$ 59.09 shipping
Neptune Apex Fusion DOS DDR Tile - Plug In Device - SPS LPS Reef
Brand New
S$ 18.23
S$ 12.19 shipping
AutoAqua Smart Auto Water Changer Lite
Brand New
S$ 242.02
S$ 62.02 shipping
Maxspect ICV6 WiFi Controller Gyre Pumps, LED iOS Android Device Marine FishTank
Brand New
S$ 129.06
S$ 34.21 shipping
Only 2 left
D-D REFRACTOMETER SALIINTY H2OCEAN MARINE REEF SALT TEST HYDROMETER FISH TANK
Brand New
·
DD Aquarium Solutions
S$ 52.99
S$ 29.31 shipping
66 watching
New Listing
Fish Tank Aquarium Thermometer Digital/Analogue Temperature M9J1 NEW Gauge P8N5
Brand New
·
Unbranded
S$ 1.70
or Best Offer
Free shipping
American Marine Pinpoint Salinity Monitor w/probe
Brand New
S$ 167.52
S$ 34.50 shipping
Magnetic 4 Probe Holder Standard All Holes 1/2Inch
Brand New
S$ 31.88
Was:
S$ 39.85
was - S$ 39.85
or Best Offer
S$ 25.73 shipping
Customizable Apex Neptune Breakout Box 2x Toggle Switches Push Terminal
Brand New
S$ 79.72
Was:
S$ 99.65
was - S$ 99.65
or Best Offer
S$ 31.91 shipping
VBR-Aqua IP68 PAR Meter For Aquariums & Reefs R, G, B PAR Separately
Pre-Owned
S$ 178.29
or Best Offer
S$ 91.99 shipping
Special Apex Neptune Breakout Box 12 Switch 6 Inputs 6 Rockers 6 Push Buttons
Brand New
S$ 79.72
Was:
S$ 99.65
was - S$ 99.65
or Best Offer
S$ 31.91 shipping
Acryli Liquid Storage Bucket dosing pump Auto Top Off System Reservoir Container
Brand New
S$ 28.46
to
S$ 85.41
Free shipping
NEPTUNE APEX DOS DDR DIY 8' CABLE + 2 OPTICAL LEVEL SENSORS - USE YOUR RESERVOIR
Brand New
·
Neptune Systems
S$ 74.04
S$ 36.09 shipping
101 watching
Hanna Core Parameters Kit (772 Alk, 758 Calcium, 783 Magnesium) Checker HC (Salt
Brand New
S$ 290.40
S$ 119.88 shipping
Only 1 left!
Aquarium Fish Tank Temperature Sensor Gauge Digital Thermometer New~
Brand New
·
Unbranded
S$ 15.29
to
S$ 15.95
Free shipping
Digital Aquarium Thermometer Fish Reptile Tank Temperature 2024
Brand New
·
Unbranded
S$ 13.43
Free shipping
6 watching
Neptune Systems Apex PM1 pH/ORP Probe Module
Brand New
·
Neptune Systems
S$ 121.01
S$ 33.13 shipping
Neptune systems and more Reef Tank accessories
Brand New
·
Neptune Systems
S$ 1,495.47
or Best Offer
S$ 37.39 shipping
Aquarium Test Probe Holder for Apex Neptune Reef
Brand New
S$ 26.18
Was:
S$ 32.73
was - S$ 32.73
or Best Offer
S$ 25.57 shipping
120 sold
Hanna Checker Phosphorous Ultra Low Range - HI736
Brand New
·
Hanna
S$ 92.47
S$ 32.29 shipping
Only 1 left!
Fluval Digital Thermometer Submersible Aquarium Tropical Stick-On Suction Cup
Brand New
·
Fluval
S$ 14.13
S$ 26.81 shipping
40 watching
Digital Fish Tank Aquarium Thermometer Terrarium Inside & Outside Temperature
Brand New
·
Unbranded
S$ 9.74
Free shipping
PH Electrode Probe BNC Connector PH Controller Sensor Non-fillable For Aquarium
Brand New
·
Unbranded
S$ 10.28
or Best Offer
S$ 3.55 shipping
NEPTUNE APEX TRIDENT PINCH VALVE SOLENOID
Brand New
·
Neptune
S$ 55.51
S$ 35.54 shipping
2 in1 Digital Salinity & PH Meter Salinity&PH Monitor for Aquarium
Brand New
·
Unbranded
S$ 113.39
S$ 7.12 shipping
Only 2 left
Seneye Home Aquarium Pond Ammonia PH Temperature Monitor
Brand New
·
seneye
S$ 192.21
S$ 35.22 shipping
New Listing
Electronic Thermometer Tank Temperature Monitor Hygrometer
Brand New
S$ 7.64
Free shipping
AMERICAN MARINE PINPOINT ORP MONITOR INCLUDES PROBE & CALIBRATION FLUIDS
BRAND NEW IN BOX - WARRANTY INCLUDED - FAST SHIPPING!
Brand New
S$ 163.70
S$ 34.38 shipping
Only 1 left!
Duetto 2 Dual-Sensor ATO Aquarium Auto-Top-Off System - XP Aqua
Brand New
S$ 199.31
S$ 35.44 shipping
21 watching
New Listing
Fish Tank Water Temperature Thermometer Glass Meter N6B3 High O4L1 G7G0
Brand New
·
Unbranded
S$ 3.00
or Best Offer
Free shipping
New Listing
Universal Thermostat Digital Electronics Incubator for Refrigerator
Brand New
S$ 26.50
Free shipping
Neptune Apex 1link Cable 4way Female To Female 1 meter
Brand New
S$ 19.23
S$ 12.19 shipping
QUARIUM ORP Meter and Controller WEIPRO ORP - 3010, working with ozonizer
Brand New
S$ 227.79
Free shipping
57 sold
New Listing
LCD ADHESIVE STRIP FLAT THERMOMETER STICK ON For WINDOW TANK FISH AQUARIUM D6R0
Brand New
·
Unbranded
S$ 4.11
or Best Offer
Free shipping
New Listing
Fish Tank Electronic Thermometer Waterproof Digital ReptileUS M7B8
Brand New
·
Unbranded
S$ 13.50
to
S$ 13.58
Free shipping
Hydor Smart Level Control Auto Top Off System for Saltwater and Freshwater Tanks
Brand New
·
Hydor
S$ 56.94
or Best Offer
S$ 64.61 shipping
New Listing
LCD Aquarium Dual Temperature Display Baby for Water Fish Tank
Brand New
S$ 16.40
Free shipping
Glass Thermometer Aquarium Fish Tank Water Temperature Meter With Suction Cup
Brand New
·
Unbranded
S$ 5.96
or Best Offer
Free shipping
MILWAUKEE INSTRUMENTS MC122 PH CONTROLLER WITH MP810 DOSING PUMP MC720 COMBO KIT
Brand New
·
Milwaukee
S$ 242.02
S$ 72.16 shipping
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