Kem cho, Morbi and Rajkot! Dilipbhai here from **Shivam Water Solution** at Vajepar Main Road, Morbi. For over 10 years, my team and I have been installing, servicing, and repairing domestic RO water purifiers and industrial RO plants across our ceramic hub of Morbi and neighboring Rajkot.
One of the most frequent phone calls I receive from local homeowners, factory offices, and ceramic unit pantries goes something like this: *"Dilipbhai, our RO purifier is working, but the water comes out in a tiny trickle! It takes 10 minutes to fill a jug. What is wrong?"*
A slow flow rate or low water pressure is frustrating, especially in our busy daily routines. Groundwater in the Morbi and Rajkot region is notoriously hard and often carries high Total Dissolved Solids (TDS) along with heavy sediment loads. Over time, these local water conditions take a heavy toll on your purifier components.
In this comprehensive guide, I will walk you through the primary reasons why your RO purifier is running slow and how you can troubleshoot or fix it.
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## Why Does Your RO Purifier Have Low Water Pressure?
Before jumping into solutions, it is essential to understand why water flow decreases. An Reverse Osmosis system relies on balanced water pressure to force raw water through fine filter pores. If pressure drops anywhere in the circuit, flow slows to a crawl.
Here are the top 5 causes we diagnose daily in Morbi and Rajkot:
### 1. Clogged Pre-Filters (Spun / Sediment Filter)
Our regional borewell water often carries fine mud, dust particles, and suspended solids. The outer pre-filter housing traps these visible impurities first. If the pre-filter cartridge isn't replaced regularly, sediment builds up into a dense mud wall, severely restricting incoming water flow to the internal filters.
### 2. Scaled or Choked RO Membrane
This is the most common issue in Saurashtra due to high TDS water (often exceeding 1500–2500 ppm). The semi-permeable RO membrane pores are microscopic (0.0001 microns). Hard water minerals like calcium and magnesium stick to the membrane surface, creating scale deposits. When the membrane chokes, water flow drops dramatically, and wastewater flow might increase.
### 3. Weak Booster Pump
Your domestic RO system has an internal DC booster pump designed to maintain 60 to 80 PSI pressure across the membrane. Over 2–4 years of continuous use, the pump motor or pump head diaphragms wear out. Even if the motor hums, it may not generate enough hydraulic pressure to push water through the membrane.
### 4. Low Air Pressure in Hydrostatic Storage Tank
If your system has a pressurized metal or plastic storage tank, it relies on an internal rubber bladder filled with air (around 6 to 8 PSI) to push purified water out of the faucet. Over time, air slowly leaks out. When air pressure drops, the tank cannot squeeze the stored water out, resulting in a weak trickle at the tap even if the tank feels heavy.
### 5. Bent, Kinked, or Clogged Water Tubing
Sometimes the fix is surprisingly simple! During kitchen cleaning or filter movement, the thin food-grade PU tubing behind the purifier can get bent or pinched against the wall, throttling the water flow.
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## Practical Troubleshooting Steps You Can Try Today
Before calling in a technician, here are a few simple checks you can perform yourself:
* **Check the Input Tap:** Make sure the main valve connected to your water supply line is fully open.
* **Inspect External Pipes:** Trace the blue, white, and red tubes behind your RO purifier to ensure none are bent, crushed, or twisted.
* **Check Pre-Filter Color:** Open the external pre-filter housing using a housing spanner. If the white spun filter has turned dark brown or black with mud, replace it immediately. A fresh pre-filter cartridge costs very little and often solves half your pressure problems.
* **Test Storage Tank Weight:** Lift your water tank. If it feels heavy and full, but water exits slowly from the tap, the internal air pressure has likely dropped. Air can be refilled using a standard bicycle pump via the tank's Schrader valve.
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## When Should You Call a Professional RO Technician?
If you have checked the basic tubing and replaced the pre-filter, but the flow rate remains slow, the issue lies deeper within the system:
1. **Membrane Replacement:** Replacing or chemical-flushing an RO membrane requires correct TDS matching and sanitary handling to avoid contamination.
2. **Booster Pump Testing:** Measuring pump PSI requires specialized pressure gauges. If the pump head is leaking or pressure is below 50 PSI, the pump head or assembly must be repaired or replaced.
3. **SV (Solenoid Valve) Failure:** A faulty electronic solenoid valve may not open fully, restricting water flow into the pump.
At **Shivam Water Solution**, we stock original, high-quality spare parts specifically rated for the high-TDS, hard water conditions of Morbi and Rajkot.
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## Dilipbhai’s Golden Tips for Long-Lasting RO Flow
* **Change Pre-Filters Every 3 to 4 Months:** In high-sediment areas like Morbi, don't wait a full year to change the outer candle.
* **Install an Antiscalant Doser:** If your raw water TDS is above 1000 ppm, installing an antiscalant cartridge helps prevent mineral scaling on your expensive membrane.
* **Schedule Bi-Annual Servicing:** Regular checkups keep pump pressure optimal and inline carbon/sediment filters clean.
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## Need Expert RO Repair in Morbi or Rajkot?
Don't let low water flow disrupt your home or workplace! Whether you need a quick filter replacement, booster pump repair, membrane installation, or a brand-new domestic or commercial RO plant, **Dilipbhai** and the team at **Shivam Water Solution** are here to help.
* **Visit Our Shop:** Shivam Water Solution, Vajepar Main Road, Morbi - 363641, Gujarat
* **Direct Call / WhatsApp:** [+91 91730 96727](tel:+919173096727)
* **Service Areas:** Entire Morbi district (Ceramic Zone, Sanala Road, Ravapar, Trajpar) & Rajkot City.
Call us today for fast, honest, and expert RO service at affordable prices!