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Digital Aquatics ReefKeeper Lite Controller

ReefKeeper Lite Level 1 ReefKeeper Lite Preliminary Product Information Expandable - up to 4 modules (PC4s, SL1s or MLC) pH, ORP, and switch inputs (w/ optional SL1) 16 timers / 16 alarms Audible / Visual alarms ...

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reefkeeper | reefkeeper lite | reef keeper lite | lite

Price Range:
$99.99 to $278.99

American Marine Pinpoint pH Monitor

Protect your investment with American Marine Pinpoint Controllers & Monitors Using the most current technology and design, American Marine controllers and monitors have become the most respected line of digital instruments ...

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ph monitor | pinpoint | ph | ph pinpoint

Our Price: $92.99

Item Code: AM1111

$Captive Purity Refractometer$

Captive Purity Refractometer

The Captive Purity Refractometer is an incredibly accurate and easy to use device that eliminates the confusion associated with inexpensive hydrometers. Just place a couple of drops of water on the prism and hold to the light. Rea...

Avg. Customer Review (37) reviews

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refractometer | refractometers | hydrometer | refract

Price Range:
$69.99 to $119.99

American Marine Pinpoint pH Monitor Package

American Marine PINPOINT pH Monitor The PINPOINT pH Monitor™ is in use by thousands of customers worldwide. This affordable unit remains the only full-time pH monitor with .01 resolution. The PINPOINT pH Monitor™ requires only a ...

Avg. Customer Review (16) reviews

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ph monitor | pinpoint | ph | pinpoint ph

Our Price: $104.99

Item Code: AMPHMK

Digital Aquatics RKM-PC4

IntellaStrip Technology Our new PC4 is the most advanced power distribution unit in the industry with the ability to keep your system up and running even if you have a device failure. Manual Override Mode Gives you ...

Avg. Customer Review (1) reviews

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pc4 | rkm pc4 | test | rkm

Our Price: $89.99

Item Code: DA1315

Hanna Instruments Combination pH and ORP Tester

The newest member to Hanna instruments Combo series of combination waterproof testers with advanced functions is HI 98121, designed for simultaneous pH and ORP measurements. HI 98121 also reads temperature, which is continuously ...

Avg. Customer Review (4) reviews

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orp probe orp | orp meter | orp | hanna

Our Price: $99.99

Item Code: HN1111

Hanna Instruments Waterproof pH Tester with Replaceable Electrode

When HANNA instruments introduced its first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. pHep`s ease-of-use in combination with its affordability made it possible...

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ph meter | ph | hanna | ph probe

Price Range:
$82.99 to $93.99

JBJ TrueTemp Digital Heater Controller

JBJ TrueTemp Digital Heater Controller JBJ`s TrueTemp digital heater controller is the most accurate & precise controller available. Plus/Minus 0.5F Accuracy 0-99.9F Temperature Range HIGH & LOW Temperature ...

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heater controller | heater | jbj heater | jbj truetemp

Our Price: $99.99

Item Code: JB1511

Hanna Instruments DiST 5 Waterproof Low Range EC/TDS/Temperature Tester

The original DiST (Dissolved Solids Tester) was first introduced in 1986 by HANNA instruments. Since then, Conductivity and Total Dissolved Solids measurements have never been easier. DiST`s ease-of-use, in combination with its af...

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tds | tds meter | hanna | tds meters

Our Price: $95.99

Item Code: HN1171

AquaticLife ORP Controller

AquaticLife Controller ORP An ORP controller with a single blue display showing the ORP level measured by the probe. An ORP regulating device can be powered by the single grounded outlet incorporated into the controller. The OR...

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controller | orp controller | orp | test

Our Price: ~~$199.99~~ $99.99

Item Code: AK01003

Neptune Systems Noise Filter - 15 Amp

This completely blocks X10 signals so you can use to it to isolate a group of devices on a power strip as long as the total load does not exceed 15A.

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filter | poly filter | test | ns

Our Price: $99.99

Item Code: YNS3313

Optopus Standard Grade Conductivity Probe

Standard Grade Conductivity Probe w/10-ft Cable Conductivity Probe with 10-ft. cable and Mini-DIN connector. Sturdy ¾-in. PVC body protects graphite electrodes from damage. Manufactured in the USA. 90 day warranty. Specification...

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test | conductivity | conductivity probe | probe

Our Price: $89.99

Item Code: OP3131

Neptune Systems Signal Bridge

Many homes have a 2 phase 220V power supply which is split into 2 110V legs within the house. Sometimes the X10 signal will not reliably get from one leg of the 110V wiring to the other leg of the 110V wiring. The signal bridge is...

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bridge | signal bridge | signal | neptune

Our Price: $99.99

Item Code: YNS3331

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Testimonials

March 06, 2010
"Marine Depot is AWESOME. I purchased my item and it was at my home in two days using normal UPS shipping!!! Thank you for your great customer service."
Michael

March 05, 2010
"Delivery time is unsurpassed. If you need it fast, there is no place faster than Marine Depot for standard shipping. They also have almost anything I could need for a reef tank."
Grey Seaslug

March 01, 2010
"They have so many great products and it’s a very easy website to navigate! From all-in-one to do-it-yourself, there is something for everyone! Awesome summaries at the top of every major heading! This company does a great job and the website is great!"
David Peron