neptune

1 Neptune DOS available , work perfectly 150$

Looking for a Trident NP, preferably cheap, but I’m also interested if it’s broken or just for parts. Mainly need one for experimentation, so cosmetic condition or even non-working condition is totally fine. Also looking for a regular Trident as well, whether it’s: cheap broken incomplete for...

Cleaning up my unused equipments. Price includes shipping. 2x Ecotech Marine MP40 mQD Mobius Ready with 1 nemguard. Used for 6 months from Jan 2025 and stayed dry since then. Asking $275 each shipped. Used Vectra M2 Mobius ready, lost the top coupling, easy to find the replacement from Ecotech...

Neptune Systems LED logo board in good. It t was used on my controller board but switched over to Hydros, and no longer need. Has multiple brightness and colors options options. Asking $50

Neptune Trident ACM with alkalinity reagents. Works great. Was recently serviced. Colorado springs $350 Shipping $25

SOLD SOLD SOLD I am selling my old Neptune Apex Classic setup. It has been sitting dry for years, I just took it out of the box it was stored in to plug it all in and test everything. Everything works as it should. I can verify that the probes were stored dry, and will likely need to be...

I got hydra 32: 210 shipped Hydra 64 with hms: 360 shipped Use for a year at 40%

Neptune trident with energy bar. Comes with temp, ph probes along with 5 month reagents. Nothing wrong, it’s just that I’m not using to keeping a track on it. Local pick up in Dallas, can ship at buyer expense.

Hello, I'm selling my Apex System. Everything is still hooked up and works great (PM if you need more photos). Will ship within the US but buyer must pay S/H. Apex Pro A3 is 10 months old and comes with: Energy Bar 832 Temperature Probe pH Probe ORP Probe 15" Liquid Level Sensor DOS...

Breaking down 225gal saltwater tank. Selling ONLY DRY GOODS on this post (please see Selling Forum (Live goods) for my livestock): Tank, Tank Stand, Lights, Sump Tank, Large DC Pumps, Powerheads, Gyres, Overflow, Protein Skimmer, Filter Fleece Roller, Heaters, Neptune Systems Apex Aquarium...

Red Sea Reefer 350 G2 | Ecotech | Neptune Apex | Miami FL 📍 Location: Miami, Florida 🚚 Pickup Only – No Shipping ❗ Sold as a COMPLETE SYSTEM ONLY – Not parting out 💎 OVERVIEW This is a fully built, top-of-the-line reef system featuring Ecotech, Neptune Apex, Red Sea, Pentair, JBJ equipment...

I’ve been trying to upgrade the fittings on my DOS setup and wanted to check if anyone has run into the same issue. I swapped the original DOS fittings for quick‑connect 1/4"–1/8" ones, removed the nipple on the DOS head, and used Teflon tape on the threads. Even so, the connection wasn’t...

I want to pull my hair out. I had my second hand set up going perfectly for weeks but now my lights are acting completely out of sync. I have tried updating firmware. I have made sure the time is correct on the apex. I have made sure everything is as it should be on the variable models that go...

Hey guys, first post here! Me and my old man used to have a tank 12+ years ago, life got in the way, you know the deal. Late 2025 we decided the time was right to get back into this amazing hobby and so began our next journey into the world of salty fish! I tell you what, the hobby has changed...

Neptune Apex EL Base Unit with temp probe and power. Includes shipping

I am tearing down my tanks and have up for grabs a Trident and Dos and this is extra stuff i don’t need. Trident- ran working until I ran out of reagents. I have input the last time it tested 12/23/25 from my dashboard. I primed fresh rodi water through it and than ran the shutdown down...

Shipping extra Reef Octopus Elite 220 Internal with auto neck cleaner protein skimmer and DC Pumpd $600 Neptune Sky lights (2) $300 each Neptune System Apex JR EB4 with display module Original w temp probe $75 Neptune System Apex JR v2 w/ temp probe $100 Neptune System Apex...

Two MP40’s QD. basically brand new. Used for 6-7 months also. No noise, no issues. MFD is either 2024/2025. Still have original boxes in the attic. Asking $360 each + shipping. Will post pictures tomorrow when I get home. If you have question PM me. PayPal only.

Hi, The time has come. I am shutting down my tank and will be selling everything. Apologies for the disorganization but I will be slowly posting items for sale. Tank has been up since 2021. I will start with these items: It is a Red Sea Reefer XXL 750 V3. The top right corner seam came undone...

I have four Neptune WAV pumps for sale that have Gently been used for about six months. Took the tank down so they have been sitting in a bin. Magnets, props are in excellent condition. $200 OBO buyer pays shipping approx $20 each.

Lid for Lifereef SVS3-24 Skimmer (but might fit others) with cutout for 4" LLS - $40 10' DC24 Extension Cable (M/F) - $20 Neptune Salinity Probe - $150 2x EB8 mounts - $10/ea DOS mount (can print more) - $10 2x TUNZE ATO Mounts - $7 Extension Cable for Ecotech Marine Vortech MP10/MP40wQD -...

Barely used kit. See pix for proof of function. With the PAR Monitoring kit you can monitor and log your aquarium’s light levels 24 hours a day! The perfect tool to fine tune your lighting on your tank. Now you now can adjust your lights with the confidence of knowing you will not be giving...

Hey guys, I have a brand new Neptune apex 3 pro for sale. *Brain Only* Works flawlessly, right out of the box. Local meetup in West Covina, CA area or $300 shipped or best offer. Also have an extra broken energy bar (blinking orange when connected to apex) for $50 extra. Any questions please...

One Neptune DOS V1 for sale. I only ever used the left head to DOS.

$500 shipped - excellent condition A3 pro, included is a pmup with optical sensor also. PH and ORP probes were left dry so may need new ones. Everything else in excellent working condition. Unlinked from fusion and factory reset.