Distilled water rinse after ultrasonic cleaning

l give it a few turns in my SpinClean after the US

I do too. My US is a cheap $100 one. I guess it does it’s job. I see residues even after cleaning about 50 brand new records. (I had bought about 100 sealed classical albums mostly from late 70s and 80s). I feel new records made recently are worse. They are dirtier and also sound terrible especially those selling at around $20.

Added a couple pictures on my systems page.

@slaw,

After looking at your photos they appear to show the filters mounted on the suction side of the pump Bayite . If this is correct - If I might offer a suggestion - install the filter(s) at the pump discharge side. The filters will present a pressure drop and the pump suction side only has about 7-ft of suction head. Check the filter cartridge max differential pressure rating - most will be >15 psid (>35-ft head equivalent) so to get maximum use, fine filters are generally installed at the pump discharge - and your pump has an maximum discharge head of 80 psi.

Since you are pumping relative clean water (no stones & pebbles) you do not need a suction strainer. If you do replumb, since you do not have a differential pressure gauge on the filter or pump - keep an eye on the filter and pump noise and the power supply temp, As the filter loads and water flow pressure drop increases - the pump discharge head (being a positive displacement pump) will increase to maintain flow until it reaches its maximum. But its maximum (80 psid) can collapse most disposable filters. But as the pump discharge increases so will its noise and the 120VAC/12VDC power supply will heat up because the pump is drawing more current.

Just some thoughts for you.

@antinn,

Thanks for your critique.

I installed this way to save pump life,(dirty water going through filters before seeing the pump).

I’ll reread your post several times as it’s a lot to take in.

Thanks,

Steve

@slaw,

Steve,

Installing a fine filter at the suction does keep the fluid clean to the pump - but this a positive displacement pump and its uses a diaphragm to control valves to draw-in/discharge-out water and they are not as sensitive to debris as a centrifugal pump. The general recommendation for a pump suction strainer is one of 50 mesh - but that is equal to 300 microns - that is a pretty big particle. Small pump suction strainers have low pressure drop and are widely available - Amazon.com: SHURFLO (255-313) 1/2" Twist-On Pipe Strainer: Automotive if you wanted to install one - for raw water usage they are recommended. FYI - If you plumbed a centrifugal pump with those fine filters at the suction, the centrifugal pump would have cavitated and pretty much destroyed its self. Centrifugal pumps do not have much suction lift.

For others who may be reading this post - the Pentair Shurflo SLV Series Diaphragm Pumps | Pentair model SLV10-AA40 12V DC Pump (Flow 3.78 LPM) is widely available such as ShurFlo SLV10-AA40 12VDC Low Volume Automatic Demand Diaphragm Pump For Low Flow Spraying and Transfer, 1.0 GPM, 40 PSI, Pressure Switch, Self-Priming: Amazon.com: Industrial & Scientific. It’s a bit more expensive than the Bayite, but It is a commercial standard pump with good support and only has a 40 psi pressure head so limited risk of collapsing filters and has a ON/OFF switch. Like the Bayite, it is 12VDC so a 120VAC/12VDC power supply 40-50W would be required. Standard desk top style 120VAC/12VDC power supplies are relatively cheap and easily sourced. There is a Shurflo 120AC pump wire with a 3-prong plug (Shurflo model 8020-513-236), but is about $150 .

Hope this is of some help,

Neil