TDS is not a professional way to test the water quality, TDS means total dissolved solids. For example, if you put very little salt(NaCl) into the water and test the TDS, you will find the result is dramatically high. The same thing, if your water is full of minerals, the TDS is very high too.

The SK99 doesn’t remove any of the minerals from water, it only stops heavy metals such as Lead, Mercury, Cadmium, and over 70-80 VOCs, and it removes greatly the chlorine from water. Therefore, it is the reason why the TDS you get is not that lower as you expect.

TDS meter testing method is widely used in reverse osmosis systems since the RO filter system also removes minerals from water. If a RO membrane doesn’t have a good performance, the TDS will be relatively high. And if TDS is getting much higher, means it’s time to change the RO membrane.

So please do not use TDS to test any water except Reverse Osmosis System, because the result is meaningless.

About the service life of the filter cartridge for SK99, we would like to recommend you to change the 1st stage every 3-6 months, change the 2nd stage every 8-12 months and change the 3rd stage every 12-18 months. Please notice the service life depends on your water quality and daily usage. All the specification data of the flow capacity that is listed on the sticker is based on actual tests from the laboratory and its provided water.

This filter should be used in conjunction with municipally treated drinking water or water that has been properly disinfected before use. The water filter cartridge is manufactured with 0.5micron carbon (top rate) that will get easily clogged up by any type of dirt or settlement from a well.

If you would like your refrigerator or ice maker to have clean and safe water from the Frizzlife filter system, we also have an IMC-2 icemaker kit available on our online store. 

If you have any further questions, please feel free to contact us at support@frizzlife.com

No. SK99-NEW is a direct-connect under sink water filter system, not a reverse osmosis system. It should be positioned around chlorine and chloramine reduction, fast main-faucet flow, and easy installation.

SK99-NEW focuses on chlorine and chloramine reduction using compound activated carbon block filtration. This makes it suitable for municipal tap water where disinfectant taste and odor are common concerns.

No. SK99-NEW connects directly to the main kitchen faucet, which makes it different from SP99-NEW. This is useful for users who want filtered water from their existing faucet without installing a separate drinking water faucet. The tradeoff is that it is not positioned as a dedicated-faucet filter system.

SK99-NEW is a direct-connect system that filters water through the main kitchen faucet, while SP99-NEW includes a dedicated filtered water faucet. Choose SK99-NEW when you want a simpler main-faucet setup. Choose SP99-NEW when you want a separate filtered water outlet for drinking and cooking.

SK99-NEW is designed to deliver up to 2.0 GPM at 60 psi, making it a fast-flow under sink water filter for daily kitchen use. Actual flow depends on household water pressure, installation conditions, and filter condition. This high-flow positioning is important because SK99 supports the main kitchen faucet.

SK99-NEW is designed for DIY installation and the MD states that setup can be completed in about 10 minutes by following the manual or installation video. All necessary components are included for standard installation. Actual installation time may vary depending on sink plumbing, space, and user experience.