Category Archives: Reverse Osmosis

MaxCap The SpectraPure MaxCap is one of our best-selling RO/DI systems. It features a tested TFC membrane with 99% rejection rate. This means you will get 2-3 times more life out of your DI cartridges when compared to most other regular TFC membranes that have a lower rejection rate.  The MaxCap systems also include a […]

RO/DI Filter Kit Our RO/DI replacement filter kit includes standard-sized sediment, carbon, and DI filter cartridges that fit most RO/DI systems such as MarineDepot Kleanwater, SpectraPure, AquaFX, SeaChem,  Kent Marine and many more. In most situations, RO/DI cartridges need to be changed out every 6 months or so to ensure the water produced does not […]

After some time of keeping a reef tank, it becomes very obvious just how valuable your RO/DI system. Here at Marine Depot, we carry a variety of cool accessories that will help you get the most out of your RO/DI filter. Here are our top 5 favorite upgrades and add-ons for your RO/DI:ADD A BOOSTER […]

Welcome to Episode 2 of our “All I want for Fishmas” video series. Today we are talking about one of the smartest investments you can make for your reef tank. Best of all, it is $15 off off through the entire month of December! Keeping reading to get the lowdown on our own KleanWater 4-Stage […]

We are extremely excited to introduce you to the all-new Marine Depot KleanWater RO and RO/DI filter systems exclusively available now at MarineDepot.com. With several different systems available from 4 to 6 stages, you are sure to find the perfect filter to fit any budget and performance level. Marine Depot’s KleanWater Series are proudly built right here […]

A RO/DI system is your reef defender, preventing harmful contaminates from ever entering your aquarium water. That is why it is important to regularly maintain your RO/DI filter so your reef is protected from these unseen killers. The biggest challenge most hobbyists face is not knowing precisely when to change out their filter cartridges. But […]

Chloramine is quickly becoming a concern for an increasing number of aquarium hobbyists because more and more municipalities are using chloramine to sanitize local water supplies. According to the EPA, more than one in five Americans uses water treated with chloramine. If untreated, chloramine can get into your aquarium and have detrimental effects, ranging from […]

You haven’t changed your RO/DI filter cartridges in a while. No, we’re not telepaths. We just know you wouldn’t be reading this right now if you weren’t interested in scoring some FREE replacement filters for your reverse osmosis/deionizing system. Produce 0 TDS for mixing saltwater and topping off your tank with Captive Purity’s excellent RO/DI […]