getting a lot of air bubbles or cloudy water from the faucet, looks like it's carbonated.

Diagnosis

This phenomenon is known as "micro-bubbles" or "air entrainment." In the Frizzlife PD600-TAM3, this occurs because the reverse osmosis process and the subsequent storage in the pressurized bladder tank force dissolved oxygen and nitrogen into the water under high pressure. When you open the dedicated RO faucet, the water undergoes a rapid pressure drop (decompression), causing these dissolved gases to form millions of microscopic bubbles. This creates a "milky" or "cloudy" appearance that mimics the look of carbonated water. This is most prevalent immediately after replacing the T-series filters or the RO membrane, as the new filter media often traps tiny air pockets during installation. You can confirm this is an air issue and not a chemical contaminant by filling a clear glass and letting it sit undisturbed on a counter. If the water clears from the bottom upward over the course of 30 to 60 seconds, it is simply air. If the cloudiness remains or settles as sediment, you have a different filtration failure.

How to Fix It

Since this is a physical property of the water and not a mechanical failure, the "fix" involves purging the system of trapped air and stabilizing the pressure in the storage tank. Follow these steps to clear the lines:

1. Close the main valve on top of the pressurized storage tank to isolate it from the faucet.
2. Open the RO faucet and let the water run for 2-3 minutes. This clears any air trapped in the final output tubing and the faucet aerator.
3. Close the faucet and slowly open the storage tank valve.
4. Open the faucet again and fully drain the storage tank. This forces the air trapped in the bladder to migrate toward the top of the tank.
5. Allow the system to refill completely (this may take several hours depending on your source water pressure).
6. Perform one more full drain of the tank. This "flush and fill" cycle removes the majority of the micro-bubbles trapped in the membrane housing.

If That Didn't Work

If the water remains cloudy after several full tank cycles, consider these alternative causes:

• Check for Air Leaks in the Pre-Filter Housing: Inspect the connections on the three pre-filter stages. If a fitting is slightly loose, air can be sucked into the line via a Venturi effect, creating a constant stream of bubbles. Tighten all push-fit connectors and ensure the O-rings are seated perfectly.
• Inspect the Membrane Seal: If the RO membrane was not seated deeply enough into the housing, air can bypass the membrane seal. Remove the membrane, lubricate the O-rings with a food-grade silicone lubricant, and re-insert it firmly to ensure a vacuum-tight seal.
• Adjust Source Water Pressure: If your incoming water pressure is exceptionally high (above 80 PSI), the decompression at the faucet is more violent, increasing bubble formation. Installing a pressure reducing valve (PRV) before the PD600-TAM3 can stabilize the flow.
• Verify Tank Pre-charge: Use a pressure gauge to check the air valve on the bottom/side of the storage tank. If the pre-charge is too low (below 5-7 PSI when empty), the water may surge irregularly, trapping more air during the filling process.

Heads Up

• Do not mistake micro-bubbles for "white flakes"; if you see actual particles, your carbon block filter may have ruptured, and the filter should be replaced immediately.
• Avoid over-tightening the plastic nuts on the push-fit connectors; this can crack the housing and introduce air leaks that are nearly impossible to find without a soapy water test.
• When replacing filters, always run the system for at least 2 full tanks of water before drinking to ensure all manufacturing lubricants and air pockets are flushed.
• If you notice a "sulfur" or "rotten egg" smell accompanying the bubbles, this is a sign of bacteria in the tank or source water, not air entrainment, and requires a system sanitization.