Featured categories
Featured items
All items

Plastic Funnel 2.5" x 10" for filling Softener Resin/Carbon in 2.5 Mineral Tanks
£6.31

Culligan RO Filter Set With Membrane for Culligan AC-30 Reverse Osmosis Systems
£27.74

Replacement Filters for 5 or 6 Stage Aquarium Reef Reverse Osmosis RODI Systems
£23.17 to £35.11

SLOW PHOS | Slow Dissolving Polyphosphate Beads (1 lb) Siliphos Anti-Scale Media
£21.06

TAC Scale Prevention Replacement Filter Media for Salt-Free Conditioner Systems
£147.86

Mixed Bed Ion Exchange DI Resin High Purity Deionizing RODI Reef Aquarium 0 TDS
£9.83 to £59.69

Deionizing DI Resin | 5 lbs | Color Indicating Mixed Bed DI ResinTech MBD-30
£34.00

5 LBS RESINTECH MBD-30 Color Changing Mixed Bed Deionization Blue DI Resin RODI
£33.26

Commercial Grade Reverse Osmosis Water System 800 GPD +Booster Pump +20 gal tank
£1,072.00

KDF 85 (2 lbs) + KDF 55 (2 lbs) - Filter Media for Iron, Chlorine, Heavy Metal
£73.92

Oceanic 2.75"x9.75" Carbon Block Filter with Activated Coconut Shell | 5 micron
£8.54

6 Stage 0 PPM Reverse Osmosis/Deionization Aquarium Reef Water Filtration System
£114.59 to £136.77

Fleck Plastic Bypass Valve + ¾" Yoke -5600, 2510, & 9000 Valves (Fleck #60049)
£44.35

Oceanic 400 GPD Light Commercial RO Reverse Osmosis Water Filter System + Pump
£332.69

Oceanic 400 GPD High Capacity Commercial RO Reverse Osmosis Water Filter System
£347.47

Empty Refillable Big Blue Filter Cartridge 4.5" x 20" For 20” Filter Housing
£17.74

4 Stage Aquarium Reef Filter Reverse Osmosis Water Filtration RO/DI System 0 PPM
£81.47 to £95.51

Oceanic 500 GPD High Capacity Commercial RO Reverse Osmosis Water Filter System
£406.62

Fleck Plastic Bypass Valve and 1" Yoke -5600, 2510, & 9000 Valves (Fleck #60049)
£44.35

Portable Counter Top Alkaline Reverse Osmosis RO Water Filtration System 50 GPD
£77.25

Dual Big Blue Whole House Water Filter System - Carbon + Sediment Filters
£159.69

Portable Counter Top Alkaline Reverse Osmosis RO Water Filtration System 100 GPD
£88.71

OEM Pentair Fleck 5600SXT Backwashing Digital FILTER Control Head/Backwash Valve
£262.45

Automatic Shut Off Valve 1/4" Quick Connects - RO Reverse Osmosis Water Systems
£7.72

Quick Connect Collet Tubing Release Tool For 1/4" and 3/8" Fittings & Connectors
£4.56

6 STAGE 100 GPD | REVERSE OSMOSIS RO/DI AQUARIUM REEF WATER FILTER SYSTEM 0 PPM
£139.72

Big Blue Water Filters KDF 85/GAC + Sediment Whole House Cartridges 4.5" x 10"
£47.31

Tank Ball Valve 1/4" FPT x 1/4" Quick Connect Tube- For Reverse Osmosis RO Tanks
£3.50

7 Stage Aquarium Reef RODI Deionization Reverse Osmosis Water Filtration System
£125.68 to £144.16

Whole House Water Filtration System Fleck 5600 Valve 9"x48" 1 cu ft Carbon GAC
£391.83

150 GPD RODI Aquarium Reef Reverse Osmosis Water Filtration System 6 Stage +Pump
£192.22

Whole House Salt Free Anti Scale Water Conditioner Softener System 10 GPM TAC
£621.02

4.5" x 10" Big Blue Well Water Filter (KDF 85 + GAC Carbon)Whole House Cartridge
£33.26

Self Piercing Feed Water Tap Valve With 1/4" compression feed water connection
£9.60

RF-1050 Alkaline pH Countertop Water Filter Replacement Cartridge 2.5"x10"
£31.61

Oceanic 600 GPD High Capacity Commercial RO Reverse Osmosis Water Filter System
£480.56

NEW Oceanic 5 Stage RODI Aquarium Reef RO DI Water Filter System + Permeate Pump
£207.01 to £214.40

4.5"x 20" Whole House Big Blue Filter: Bone Char for Removing Fluoride & Arsenic
£77.25

Oceanic Counter Top RO Reverse Osmosis Alkaline Ionizer Water Filter 75 GPD USA
£85.02

10" Hydro-logic KDF/Catalytic Carbon Filter HydroLogic Stealth/Small Boy - 22060
£31.04

DUAL SMALL/SMALL CLIP CLAMP to connect 2 Inline Filters Reverse Osmosis 2"x2"
£3.69

400 GPD Commercial Aquarium RODI Reverse Osmosis Water Filter System Dual DI RO
£325.29

3 RO/DI REVERSE OSMOSIS WATER AQUARIUM FILTERS DI Deionizing, Carbon, Sediment
£21.07

Oceanic Aquarium Reef Reverse Osmosis RODI Water Filter System | 75 GPD USA
£65.79

Portable XL RODI Aquarium Reef Reverse Osmosis Water Filter System - 2.5" x 12"
£66.53 to £85.01

KDF 85 MediaGuard Filter | Reduces Iron & Hydrogen Sulfide | Media Tank Add-ON
£114.59

10" x 4.5" HydroLogic Pre-Evolution KDF/Catalytic Standard Carbon Filter HL22096
£39.92

Reverse Osmosis Water Filter Drop-In Cartridge: GAC +KDF 55 for 10" RO Housing
£23.65
About us
OCEANICWATER . COM
Welcome to Oceanic Water Systems. We specialize in supplying all of your water filtration needs including quality Reverse Osmosis Systems, replacement filters, housing, RO water components and much more! 661-575-0033
Please add me to your list of favorite sellers and visit often. Thank you for your business!
Welcome to Oceanic Water Systems. We specialize in supplying all of your water filtration needs including quality Reverse Osmosis Systems, replacement filters, housing, RO water components and much more! 661-575-0033
Please add me to your list of favorite sellers and visit often. Thank you for your business!
Shop policies
Returns
Postage
Seller Feedback (4,880)
- d***d (611)- Feedback left by buyer.Past monthVerified purchaseItems exactly as described. Items actually arrived 2 days earIier than expected (which was very nice). I had several questions about what to order and how much for my tanks. Seller answered very promptly and was very nice about everything. Excellent eBayer, highly recommended, A++++++.
- h***h (1028)- Feedback left by buyer.Past 6 monthsVerified purchaseGreat Ebayer! Item is exactly as described! Fast shipping and good communications too! Thank you!
- c***l (34)- Feedback left by buyer.Past 6 monthsVerified purchaseHigh Purity Resin – Delivers 0 TDS as Promised The quality of this DI resin is excellent—it produced 0 TDS right away and performs just as expected. It arrived in perfect condition, securely packaged, and exactly as described in the listing. Shipping was fast and smooth. The value is great for the purity level you’re getting. Appearance is clean and professional—easy to handle and pour. Great choice for RODI systems or reef setups.
- k***n (595)- Feedback left by buyer.Past 6 monthsVerified purchaseFast delivery. Well packaged. Item as described.
- r***e (271)- Feedback left by buyer.Past yearVerified purchaseAnother GREAT transaction with this seller. Fast shipping and good communication as always. I will continue to do business with this seller. AAA+++ rating in my book. Very dependable and responsible seller. One of the best on eBay.
- -***0 (104)- Feedback left by buyer.Past 6 monthsVerified purchaseThank you for the super fast delivery awesome packaging and 2 and 1 order cool man