Why is my RO faucet so slow in Ocala?

The most common culprit is a waterlogged or undercharged storage tank. If the tank's air pressure has dropped below 6–8 PSI, water can't push out properly. Check the tank pressure first — it's a free fix with a standard tire gauge.

How much pressure does an RO system need to work properly?

Most residential RO systems require at least 40–60 PSI of incoming water pressure to produce water efficiently. Ocala city water typically runs 45–65 PSI, but well water and homes with water softeners can drop below that threshold.

How often should I change RO filters in Ocala?

Pre-filters every 6–12 months, the RO membrane every 2–3 years, and the post-carbon filter annually. Ocala's iron-heavy well water and hard city water both clog pre-filters faster than national averages suggest.

Can a clogged pre-filter kill my RO system's output?

Yes. A saturated sediment or carbon pre-filter restricts incoming pressure so severely that the membrane can't do its job, resulting in a weak trickle from the faucet even when everything else is fine.

Is low RO output a sign my membrane needs replacing?

Not always. A depleted storage tank, clogged pre-filter, or partially closed supply valve are all more common and cheaper causes. Rule those out before spending $50–$150 on a new membrane.

Why Your Under-Sink RO System in Ocala Barely Trickles — and the Fix That Costs Nothing

Your Ocala RO system trickling instead of flowing? Learn the most common causes of low RO pressure and the free fix most homeowners miss.

Before you call a plumber or replace your entire RO system, check this one thing — it takes 90 seconds and costs you nothing.

You walk to the kitchen sink, fill your glass from the dedicated RO faucet, and stand there waiting. And waiting. What used to be a crisp, fast pour now barely trickles. The water tastes fine — it's just slow. So you assume the worst: failed membrane, busted pump, system on its last legs. But nine times out of ten in Ocala homes, the answer is embarrassingly simple and completely free to fix.

The Real Reason Your RO System Trickles

Your under-sink RO system doesn't deliver water on demand the way a regular faucet does. It stores purified water in a small pressurized tank — typically 2 to 4 gallons — and that tank uses an air bladder to push water up to the faucet when you open it. When that air pressure drops, water just sits there. Opening the tap feels like opening a garden hose with the sprayer pinched shut.

The free fix: re-pressurize your storage tank.

Here's what to do right now:

Turn off the RO supply valve (the small valve on the cold water line under your sink).
Open the RO faucet and let it run until water stops completely. The tank is now empty.
Close the faucet.
Unscrew the plastic cap on the tank's Schrader valve — it looks exactly like a tire valve stem, usually at the bottom or side of the tank.
Use a standard tire gauge to check pressure. It should read 6–8 PSI when the tank is empty.
If it's below that, add air with a bicycle pump or small compressor until it hits 7 PSI.
Turn the supply valve back on and wait 2–4 hours for the tank to refill.

That's it. No parts, no tools you don't already have, no cost. Many Ocala homeowners report going from a painful 30-second glass fill back to a normal 8–10 second pour after this single step.

When the Tank Isn't the Problem

If you check the tank pressure and it's fine, the next suspects are easy to evaluate in order of likelihood:

Cause	How to Diagnose	Typical Fix Cost
Clogged sediment pre-filter	Filter looks brown/orange; reduced flow everywhere	$8–$20 per filter
Clogged carbon pre-filter	Filter is grey/black; taste change	$10–$25 per filter
Low incoming supply pressure	Test with gauge at cold line; below 40 PSI	Pressure booster pump ($150–$300 installed)
Partially closed supply valve	Valve under sink not fully open	Free — just turn it
Worn RO membrane	System older than 3 years, TDS creep on meter	$50–$150 for membrane
Failed check valve	Tank re-pressurized but empties fast	$15–$40 part + labor

Ocala-Specific Pressure Problems

Homes on well water in Marion County are especially vulnerable to incoming pressure issues. Wells that are aging, losing pump efficiency, or sharing demand with irrigation systems can dip below the 40 PSI minimum an RO unit needs to push water through its membrane effectively. If your gauge reads below 40 PSI at the cold supply line, the membrane is starved — and no amount of tank re-pressurization will help until that's addressed.

Homes connected to Ocala city water generally hold 45–65 PSI, but if you've recently added a water softener and it wasn't properly sized or set, pressure drop across the softener resin bed can quietly rob your RO of 10–20 PSI. Worth checking if you've had a softener installed in the past year or two.

Filter Change Intervals in Marion County

National filter-change guidelines are often printed for soft, relatively clean municipal water in the Pacific Northwest. They don't match what we deal with here. Marion County well water frequently carries iron at 0.5–3 mg/L and moderate sediment loads. That orange sediment pre-filter rated for 12 months? In many Ocala wells it's exhausted in 4–6 months. When that filter plugs up, pressure at the membrane drops, production plummets, and you're back to that infuriating trickle.

A simple rule for local homeowners: pull and inspect pre-filters every 4 months. If the cartridge looks like it's been dipped in rust, change it, even if it's "only" been 5 months. The $15 filter is almost always the cheapest part in the system.

When It's Time for a Professional Look

If you've re-pressurized the tank, replaced the pre-filters, confirmed incoming pressure is adequate, and the system still underperforms, the membrane may be at the end of its life. Most RO membranes in Ocala last 2–3 years given local water chemistry — shorter with high iron, longer with softened water. A basic TDS (total dissolved solids) meter ($12–$20 online) lets you check membrane efficiency: if your filtered water reads more than 25% of your tap water's TDS reading, the membrane is past its prime.

For a full system health check — including membrane efficiency, storage tank pressure, filter condition, and a quick look at your incoming water quality — a professional water test is the fastest way to get clear answers without guessing.

If your RO system still isn't delivering after working through this list, the team at Ocala Water Treatment can walk through your full setup with you. We offer free water testing for Marion County homeowners, and our reverse osmosis drinking water service covers everything from basic tune-ups to full system replacements. You can also see our complete water treatment services or contact us directly to schedule your free water test — no pressure, no sales pitch, just straight answers about what your water actually needs.