Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 16 - Jun 21
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Tunze RO Water Controller - 8555.000Tunze RO Water Controller 8555. 000 Overview The RO Water Controller 8555. 000 automates reverse osmosis water top off using conductivity measurement. Its digital interface displays real time TDS and controls dosing pumps for precise salinity management in saltwater aquaria. Features Conductivity probe for TDS monitoring Digital display with adjustable setpoints Dual relay outputs for pump and alarm Programmable delay and calibration functions Compact
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.0 ★★★★★
Based on 256 reviews
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Product Reviews
★★★★★ 4
Good product
Size: A 1PCS, Color: Black
Great for less clutter and spills behind sinks!
I bought 2
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Reviewed in the United States on March 15, 2026
★★★★★ 5
Stone is fantastic
Size: A 1PCS, Color: Black
Perfect to catch water and large enough to hold dispenser and other cleaning supplies
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Reviewed in the United States on May 3, 2026
★★★★★ 3
Smaller than I thought
Size: B 1PCS, Color: Black
Smaller than I thought. So I ordered a bigger one.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Works good
Size: B 1PCS, Color: Black
I purchased one other one that was a lot more expensive than this one and I do love this one. It works great.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Space saver
Size: A 1PCS, Color: Black, Size: A 1PCS, Color: Black
Fits perfect by my sink. All my items worked in there. The only thing is I had to use zip ties to hold bar on for hanging my dishcloth.
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Reviewed in the United States on May 26, 2026
