Aquarium Controllers

471 Results

2x Covered Toggle 4x Push switch Apex Neptune breakout box with 24VDC alarm.
Brand New
C $147.19
Was: C $173.16was - C $173.16
29 watching
+O^7 &* ] LG wS.?!|/8 K$4 S p o n s o r e d
Customizable Breakout Box 4x Lighted Toggle 2x Push Button for Apex Neptune
Brand New
C $111.85
Was: C $131.59was - C $131.59
or Best Offer
8 watching
+C^A &*F ] Cw.? !|/ $QS p o n s o r e d
Neptune Apex Breakout Box DC Jacks w/ 6 cable leads included Hidden Mounting
Brand New
C $42.38
Was: C $49.86was - C $49.86
or Best Offer
68 sold
PY +^ &* A]Y w .?NG! |/FH $ S p o n s o r e d
Customizable Apex Neptune Breakout Box 6 switches Many Colors Available
Brand New
C $47.09
Was: C $55.40was - C $55.40
or Best Offer
V+W ^ &* ]AH W Vw. AS?!|/ $S p o n s o r e d
Neptune Systems Apex Lab Grade Ph And Orp Probe Mfg 2018
Pre-Owned · Neptune Systems
C $96.96
C $22.86 shipping
9 watching
+^I8 &*JO H] Gw.?!|/ C3 81 $
Neptune Apex DOS Dosing System (Reef Aquarium Dosing Pumps) and reservoir system
Pre-Owned · Neptune
C $294.38
Was: C $346.33was - C $346.33
or Best Offer
C $54.79 shipping
18 watching
+XU^ &* ]W8 w.?00!|/ $
Neptune Systems APEX Display Module
Pre-Owned · Neptune
C $103.88
Only 1 left!
+2^I &9L* S6 7O] 57w.?! |/ $
Neptune Systems Apex Classic Controller
Pre-Owned · Neptune Systems
C $103.88
Only 1 left!
0A+^ C&U ZU* ] w.?!|R/N $
Hydros Control X4 / XP8 PRO Pack Reef Aquarium Controller Reef Tank NIB
Brand New
C $969.64
or Best Offer
C $72.77 shipping
5+^K &RG *J 5 ZI] wE5. ?!|/ $
Tunze Osmolator Nano 3152 Auto Top Off - No Pump - Please Read - Nice!!!!!!
Pre-Owned · Tunze
C $41.55
or Best Offer
C $41.12 shipping
Only 1 left!
+^E &*N P]Y w.? !9|/E $
Milwaukee Instruments SMS122 PH Controller w/ PH Smart monitoring system
Pre-Owned
C $90.03
4+^S & * 0] w.C?!|/ 4$8 K
Milwaukee MC510 ORP/MV Controller, Probe Included, 115V, SMS510/Monitor/Meter
Brand New
(3)
C $243.81
78 sold
+^ A&* D ] 2w.?D! 4|E/ $ OV
Neptune Apex DOS Dosing System (Reef Aquarium Dosing Pumps)
Pre-Owned · Neptune
C $270.13
or Best Offer
+^J S&* DK ]N w.3? S!H|/ $
Customizable Apex Neptune Breakout Box 2x Lighted Toggle Switches Push Terminal
Brand New
C $88.30
Was: C $103.88was - C $103.88
or Best Offer
26 watching
ZK +U^3 9S 1 &* 0 T] Ww.?! |/ $S p o n s o r e d
AquaIllumination AI Hydra Prime 16 HD LED Reef Aquarium Light (Blac
Brand New
C $300.00
or Best Offer
C $25.00 shipping
15 watching
P+^X &* 0P ] LB 0w.S ?!9|1/ $S p o n s o r e d
Customizable Apex Neptune Breakout Box 4 switches 2 push release connectors
Brand New
C $47.09
Was: C $55.40was - C $55.40
or Best Offer
+^ &*PU ] I wO. ?!R|/ E $DS p o n s o r e d
Auto Top Off ATO - Reef Breeders
Pre-Owned
(2)
C $62.34
23 sold
AX +^ &8* 2 S] 6w .5?E! 2|8 / $
Neptune Systems APEX A3 Pro New Sealed In Box
Brand New · Neptune Systems
C $1,170.56
SP+^ & *1F NX] R1w .?!|E/K $
Milwaukee MC122 PRO pH Controller
Brand New · Milwaukee
(18)
C $206.40
C $26.56 shipping
OX+ J^7 & * LD] IO w.U?!|/K $
Aquarium tank Auto top off Water Filler, water level controller don't need power
Brand New
(1)
C $13.84
Free shipping
401 sold
4+^ Q& * L] w.?P!| 5J/ I $I
Used Neptune Systems Apex Lab Grade Ph Probe Double Junction
Pre-Owned · Neptune Systems
C $69.25
+^ T&* ] V w.U?!K| 6/ H K1$
New BRS Ph Probe For Neptune Systems Apex Lab Grade Double Junction Reef Tank
Brand New · Neptune Systems
C $96.97
+^3L A &P *A7 ] wP.4 ?!|/ Q$
New ListingHydros Control X4 / XP8 PRO Pack Reef Aquarium Controller Reef Tank OPEN BOX!
Pre-Owned
C $886.52
or Best Offer
C $70.07 shipping
+JU^ & H*H 1D ]T Yw.?!|/ $
Used Neptune systems Apex energy bar 8 EB8 For (Read Description)
Pre-Owned · Neptune Systems
C $138.52
+^ &*JR ]9 w.?9 NL!|/ $
Magnetic 4 Probe Holder 3 Standard 1 Enlarged for Apex Neptune Temperature Probe
Brand New
C $32.96
Was: C $38.77was - C $38.77
or Best Offer
142 sold
DV+ ^ &* R]Z w.?! |V9 /S P $
Neptune Systems A3 Apex Junior
Brand New · Neptune Systems
C $415.58
C $41.67 shipping
8 watching
+I^ 1&* DU] w.7?7! P|R / $
Coralvue HYDROS Control X10 Controller & Dosing System New NIB
Brand New
C $1,094.32
or Best Offer
C $76.45 shipping
+D^ &8* AD ]F wP .?40 H!|/ $
Osmolator Nano 3152 Auto Top Off - Tunze
Brand New · Tunze
C $135.75
8 watching
6+P ^T6 &7Z * N]X w.V?!|2/ $
Customizable Breakout Box 6x Lighted Toggle Apex Neptune
Brand New
C $135.40
Was: C $159.30was - C $159.30
or Best Offer
C $24.46 shipping
19 watching
+5^L &ZF* 9] K w4.G ?!|XZ / $S p o n s o r e d
RLE TECHNOLOGIES LD2100 LEAK DETECTION CONTROLLER MONITORING
Pre-Owned
C $1,454.57
or Best Offer
+H^ N& *CO ] w .?!NQ|/ $GUS p o n s o r e d
Customizable Apex Neptune Breakout Box 2x Toggle Switches Push Terminal
Brand New
C $82.41
Was: C $96.96was - C $96.96
or Best Offer
+^N S&* ] wB.?!P|/ N$5 W8S p o n s o r e d
Neptune® Apex Breakout Box Smart Dosing Container
Brand New
C $73.27
Only 1 left!
8+G V3^ LD&* ] 17 wC.H?!| / $S p o n s o r e d
Used Neptune Systems Apex Temperature Probe Temp
Pre-Owned · Neptune Systems
C $34.62
43 sold
+^ &* 4]Z Q3 P0w. A?!|/ $1
Osmolator Nano 3152 Auto Top Off - Tunze
INCLUDES EVERYTHING NEEDED TO RUN AN AUTO TOP OFF
Brand New · Tunze
C $159.30
C $24.70 shipping
176 sold
+A^3 & * ]BO w.4?M!| C/Q L $
KH Controller
Brand New
C $857.50
or Best Offer
C $83.12 shipping
7+U^ LP&* 9 ] Cw. ?2!|1 /3 $
Neptune Apex Breakout Box w/ Push Terminals custom 2 switch panel choose from 3
Brand New
C $41.20
Was: C $48.47was - C $48.47
or Best Offer
OV+ M4 ^6 S &M*M ]16 w .?!|/ $
Used Neptune Systems Apex PM3 Module Dissolved Oxygen Module
Pre-Owned · Neptune Systems
C $83.10
Only 1 left!
+^85 B&* 6] wM6.?! N|/1 $
Venue Tetra Control Intuitive Lighting DMX Controller & Footswitch Black
Pre-Owned · Tétra
C $113.59
C $26.89 shipping
EO+^ 0 4& *8N T ]S w .?C!|/C $
Customizable Wireless Neptune Apex Breakout Box w/ 2 RF Remotes + LED Indicators
Brand New
C $151.90
Was: C $178.70was - C $178.70
or Best Offer
27 watching
+Z^D Y&*G EO ] wC.?2 !|6H / $S p o n s o r e d
neptune systems salinity probe
Brand New · Neptune Systems
C $245.00
or Best Offer
C $100.00 shipping
Only 1 left!
+^ V7&* ] Q Nw .?!|/U $Y 0S p o n s o r e d
Neptune Systems Apex PM1 pH/ORP Probe Module Orange Label
Pre-Owned · Neptune Systems
C $103.88
C $23.07 shipping
N+^F & 53* ]LR LY w.?U!S |/ $
Coralvue HYDROS Wave Engine v2 Pump Controller New NIB
Brand New
C $443.23
or Best Offer
C $52.20 shipping
GP Y+^ L&* 4 ]I w U.J ?!|/NN $
Neptune Systems - LSM Lunar Simulator Module - Classic (PRE-OWNED)
Pre-Owned · Neptune Systems
C $69.25
or Best Offer
C $16.93 shipping
+Y^ &Y* L] w.S 7?!|O PS/ $
Neptune Systems Apex DC24 Male to Female 2 Pin Extension Cable 10 foot
Pre-Owned · Neptune Systems
C $24.23
4 watching
+B^ &E 97 * ] Dw.W?! |/BP $
auto water filler, Top off system, aquarium ATO sytem, water level controller
Brand New
C $14.99
Free shipping
UJ+^ YV E &*3 I O 4] wF.?!| / $
Profilux Mini WiFi-Set Aquarium computer Set/Aquarium Controller * New/READ *
Brand New
C $207.78
10 watching
H+^X I&A 0* ]8 Iw6 .?!|LV / $
Milwaukee MC125 pH/ORP Controller w/probe
Brand New
C $375.00
C $42.13 shipping
29 watching
+^ &*G ] wS. ?F!D |/NP G$7
Milwaukee MC125 ORP/PH Dual Controller, 2 Probes Included, SMS125, Meter
Brand New
C $317.23
C $29.83 shipping
33 sold
F+^U &* ] wGS.? !|0/ P $QJ
Milwaukee Instruments MC122 Multifunction pH controller
Brand New · Milwaukee
(18)
C $138.52
Trending at C $171.43
Z+^O E9 &* Y ]R w.?!P3 1|/I $
Neptune Systems Apex VDM Module LED & Pump Control.
Pre-Owned · Neptune Systems
C $103.88
C $17.95 shipping
Only 1 left!
0H+ ^ QI&* D]J w .?!|D5 GZ/ $
Neptune Systems - LSM Lunar Simulator Module - brand new in a sealed box.
Brand New · Neptune Systems
C $103.90
or Best Offer
+J^ &* P ] w8A 4O. ?!LB |/1S $
Neptune Systems Apex PM1 pH/ORP Probe Module
Pre-Owned · Neptune Systems
C $117.74
2 watching
+^ G&* 5] w. ?!|/ $15 L6
Auto Top Off Dual Float Switch Sensor ATO Water Level Controller 4 Reef Aquarium
Brand New
C $62.32
C $21.85 shipping
45 sold
7B Z+X^ OF &P* O] C Aw.?!|/ $
Customizable Apex Neptune Breakout Box w/ Orange Toggle Switch See Description
Brand New
C $64.75
Was: C $76.18was - C $76.18
or Best Offer
17 watching
W+4^ 5&*G ]Z Gw. ?74 T!|2 / $
Weipro ET-50 Ozone ozonizer working with orp controller reef marine
Brand New
C $62.32
+B^ K&* S W] w.? !HU| / 05 $
Auto Top Off 12v + Pump or Solenoid Valve Reef Aquarium Float Switch ATO System
Brand New
C $76.18
C $22.72 shipping
11 watching
+^ 8H&* ] w.? !|/ ZW $X
Neptune Systems - FMK Flow Monitoring Kit
Brand New · Neptune Systems
C $275.67
or Best Offer
+^ T7 PP& *L8 ] wW.?Y J!R |/ $
Fluval SKYpad Aquarium LED Lighting Remote Control Controller
Pre-Owned · Fluval
C $20.00
or Best Offer
+8^C &N3 18* ] w4.Q? !LB|/ $
Aquarium Test Probe Holder for Apex Neptune Reef
Brand New
C $27.07
Was: C $31.85was - C $31.85
or Best Offer
120 sold
M+W^ &* ]I w.O ?LF! |/ $NTS p o n s o r e d
Seapora Storm Protein Skimmer Sp-1
Brand New
C $415.59
or Best Offer
C $41.56 shipping
Only 1 left!
+^ &* ]MR wI.?!|B/ U$A S p o n s o r e d

Aquarium Controllers

Shop by Category

471 Results

2x Covered Toggle 4x Push switch Apex Neptune breakout box with 24VDC alarm.

Customizable Breakout Box 4x Lighted Toggle 2x Push Button for Apex Neptune

Neptune Apex Breakout Box DC Jacks w/ 6 cable leads included Hidden Mounting

Customizable Apex Neptune Breakout Box 6 switches Many Colors Available

Neptune Systems Apex Lab Grade Ph And Orp Probe Mfg 2018

Neptune Apex DOS Dosing System (Reef Aquarium Dosing Pumps) and reservoir system

Neptune Systems APEX Display Module

Neptune Systems Apex Classic Controller

Hydros Control X4 / XP8 PRO Pack Reef Aquarium Controller Reef Tank NIB

Tunze Osmolator Nano 3152 Auto Top Off - No Pump - Please Read - Nice!!!!!!

Milwaukee Instruments SMS122 PH Controller w/ PH Smart monitoring system

Milwaukee MC510 ORP/MV Controller, Probe Included, 115V, SMS510/Monitor/Meter

Neptune Apex DOS Dosing System (Reef Aquarium Dosing Pumps)

Customizable Apex Neptune Breakout Box 2x Lighted Toggle Switches Push Terminal

AquaIllumination AI Hydra Prime 16 HD LED Reef Aquarium Light (Blac

Customizable Apex Neptune Breakout Box 4 switches 2 push release connectors

Auto Top Off ATO - Reef Breeders

Neptune Systems APEX A3 Pro New Sealed In Box

Milwaukee MC122 PRO pH Controller

Aquarium tank Auto top off Water Filler, water level controller don't need power

Used Neptune Systems Apex Lab Grade Ph Probe Double Junction

New BRS Ph Probe For Neptune Systems Apex Lab Grade Double Junction Reef Tank

New ListingHydros Control X4 / XP8 PRO Pack Reef Aquarium Controller Reef Tank OPEN BOX!

Used Neptune systems Apex energy bar 8 EB8 For (Read Description)

Magnetic 4 Probe Holder 3 Standard 1 Enlarged for Apex Neptune Temperature Probe

Neptune Systems A3 Apex Junior

Coralvue HYDROS Control X10 Controller & Dosing System New NIB

Osmolator Nano 3152 Auto Top Off - Tunze

Customizable Breakout Box 6x Lighted Toggle Apex Neptune

RLE TECHNOLOGIES LD2100 LEAK DETECTION CONTROLLER MONITORING

Customizable Apex Neptune Breakout Box 2x Toggle Switches Push Terminal

Neptune® Apex Breakout Box Smart Dosing Container

Used Neptune Systems Apex Temperature Probe Temp

Osmolator Nano 3152 Auto Top Off - Tunze

KH Controller

Neptune Apex Breakout Box w/ Push Terminals custom 2 switch panel choose from 3

Used Neptune Systems Apex PM3 Module Dissolved Oxygen Module

Venue Tetra Control Intuitive Lighting DMX Controller & Footswitch Black

Customizable Wireless Neptune Apex Breakout Box w/ 2 RF Remotes + LED Indicators

neptune systems salinity probe

Neptune Systems Apex PM1 pH/ORP Probe Module Orange Label

Coralvue HYDROS Wave Engine v2 Pump Controller New NIB

Neptune Systems - LSM Lunar Simulator Module - Classic (PRE-OWNED)

Neptune Systems Apex DC24 Male to Female 2 Pin Extension Cable 10 foot

auto water filler, Top off system, aquarium ATO sytem, water level controller

Profilux Mini WiFi-Set Aquarium computer Set/Aquarium Controller * New/READ *

Milwaukee MC125 pH/ORP Controller w/probe

Milwaukee MC125 ORP/PH Dual Controller, 2 Probes Included, SMS125, Meter

Milwaukee Instruments MC122 Multifunction pH controller

Neptune Systems Apex VDM Module LED & Pump Control.

Neptune Systems - LSM Lunar Simulator Module - brand new in a sealed box.

Neptune Systems Apex PM1 pH/ORP Probe Module

Auto Top Off Dual Float Switch Sensor ATO Water Level Controller 4 Reef Aquarium

Customizable Apex Neptune Breakout Box w/ Orange Toggle Switch See Description

Weipro ET-50 Ozone ozonizer working with orp controller reef marine

Auto Top Off 12v + Pump or Solenoid Valve Reef Aquarium Float Switch ATO System

Neptune Systems - FMK Flow Monitoring Kit

Fluval SKYpad Aquarium LED Lighting Remote Control Controller

Aquarium Test Probe Holder for Apex Neptune Reef

Seapora Storm Protein Skimmer Sp-1

More to explore