I bought this reverse osmosis system to mix seawater for the aquarium. The device itself is nothing special, but has everything you need and produces water with 0 TDS. It connects to regular hose bolts with the included adapter and works well once it does. It's slightly slower than the 100 gallons-per-day rating, closer to 75 gallons-per-day with my 55 psi faucet, but still fast enough to get the job done. Replaced the first block due to missing parts and the second cracked and leaked between the mud and carbon stages. The third works great but delivering the product to you is a trap with it.
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