neptune

$725 each Located Bridgeview, IL 60455 Brand new open box. Got these for my tank but came across a great deal on a pair of Kessil A500X and will be using those instead.

I have a Neptune Systems Lab Grade Conductivity/Salinity Probe with 3 calibration fluids. Brand new has not been used or taken out of the box. Can ship out as soon as payment is made. Any questions please let me know!

Hello folks, I purchased my entire dream setup last summer ('22) and spared no expense. Since then, I've had two heart surgeries and just had rotator cuff repair, and just don't see me having the time (or energy) to build such a large setup. I'm going to sell the parts individually. These are...

Hi, I have an interesting issue with my pH probes. I have two probes in the sump of my 320 litre frag tank, one made by reef factory (probably better known in Europe/UK) and the second device by Neptune running in conjunction with my Apex. Both are calibrated, the Apex probe with the 7 and 10...

3 Neptune DOS available $200 each 1 EB832 available $200 Will post pictures later. Shipping available All sales final, as is condition.

2 Neptune WAV Pumps. Ran for about a month. They have been sitting for a year. $200 for both. for a faster response text me at (251) 599-8227

Neptune MPR - brand new in box, never used. Shipping Available - $40

Neptune DOS - clean, working, connectors upgraded to murloks. Shipping Available - $250

I have a gently used Neptune Systems Trident for sale. Will come with everything as new, and also 1 set of reagents. Works great.

I have torn down my tanks a couple months since I had to move and could not set any of them up. Below are the items I have left and this includes shipping. BRS 1.1 doser (4)- $40 each Breakout Box (1)- $20 Reef Octopus Pulse 2- sold Icecap Gyre 4K- sold Kessil to Apex cord (2)- $10 each Sicce...

Neptune GRO light includes AC adapter to make it work without apex. Used 6 months $$ 80 shipped.

I have a gently used Neptune Systems Trident for sale. Will come with everything as new, and also 1 set of reagents. Works great, just trying something new on my setup. $440 shipped. Dustin

Hello everyone, Merry Christmas! I have a question about intake line tube placement of Trident in an AIO tank. My AIO chambers are as in the pic below. As per Neptune instruction, it should be in "an area without microbubbles and away from dosing lines" which removes the option for 3rd...

Neptune Apex ATK Auto Top Off - full kit - like new in box - will ship - $175

Apex A2 2016 Pro wifi barely used like new

Neptune Apex EL Controller - Barely used

How do I delete an LLS configuration? I had one that wasn’t working properly and got a replacement. I set up a “new” configuration/input but can’t figure out how to delete the old one!

Hi all, I hope youre keeping well. I'm wondering if anyone may be able to help me! So my Neptune salinity Probe consistently reads VERY high (40-60ppt!). Tank is at 35ppt verified by 2 hanna salinity testers a refractometer and a hydrometer. I understand that the neptune probe is conductivity...

I've got an older Apex system that I'm just not going to use that deserves a better home. Please forgive me if I name some of these wrong, but pictures will also be posted to help with that. Included are: Base Unit $150 EnergyBar 8 x2 $75 each Apex Display included with base unit OR...

I have a fairly new Neptune Apex El with two temp probes (one is brand new) and a ph probe. $325 shipped - sold

Just thought I'd share my experience with Neptune systems and the trident maintenance/replacement program. My Trident wouldn't clear a "Test a Failure" and contacted support two weeks ago and tried everything they said with no success. So the rep recommended I do the maintenance program since...

Getting out of saltwater(converting to freshwater). I accept PayPal. I have tons of 100% positive reviews going back to 2005 on RC, I am under same screen name. I have not sold much on R2R. I am also "jamesri77" on the auction site if you want reviews of me as a seller. Please PM me, it is...

Located in Stony Brook, Long Island I recently upgraded to a JBJ 65 and want to sell my old tank setup. It's a 36x18x12 rimless frag tank. Drilled with an overflow and durso style drain. No scratches, cracks or imperfections. Home made stand made from 2x3 and sealed with black paint. The...

Neptune COR-15 Return Pump - asking $150 shipped In use period: 9/4/2020 to 8/27/2022 Pump used at a power rate of a continuous 30% Pump works great, recently converted my aquarium to utilize two smaller return pumps instead of one big one. Comes with original box, adapters and cables...