Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
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Description
PHC-402 Dual Relay Digital pH Controller with Temperature Compensation UP and DOWN Adjustable Dosing for Aquarium, Hydroponics System and Indoor Plant GrowThis pH Controller is specifically engineered to deliver precise and dependable pH measurement and control for a wide range of aqueous solutions, such as hydroponic nutrient mixes and fish aquariums. It accomplishes this by first assessing the pH level of the target water and subsequently automatically introducing pH adjusting substances, either acidic or alkaline, to achieve the user's desired pH level. Say goodbye to pH fluctuations and hello to
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 497 reviews
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Product Reviews
★★★★★ 5
The Perfect Shelves!
Color: Wooden
Great quality and easy to assemble. The perfect shelves for my space.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Beautiful Decorative and Light Weight Shelving!
Color: White
Beautiful shelving. Came with hardware for hanging and a ruler strip template for mounting locations, although the holes did not match up with the shelf holes. Shelves are just the right size for my purpose and also decorative and light weight.
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Reviewed in the United States on May 24, 2026
★★★★★ 4
sturdy, solid wood, a couple of blemishes
Color: Black
The shelves are securely packed for shipping. The box for the actual item was dented and smashed at one corner, but the contents were well secured. The support braces (6 in total) had a blemish on one - which I will cover with black permanent marker and face on the inside. The second support, which was packed so one could see the defect upon opening of the box, had a couple of dings on the top of the shelf and a huge notch taken out of the side of the support - which is black and near the top and shouldn't be noticable. I question the quality control to ship out that piece with the serious notch, especially because it was right on top when you opened the box, fully visible. I originally thought it was an angled hole for a screw, until I read the instructions and then realized the others didn't have that notch. The 3 shelves are fine except for the one with a few small dings/dents on the top side. The set comes with dowels, all hardware and so forth. Overall these are solid sturdy shelves.
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Reviewed in the United States on June 17, 2024
★★★★★ 5
Color matches photos… but stickers don’t 😂
Color: Wooden, Color: Wooden
They don’t feel cheap & hold a reasonable about of weight considered I have my heavy ass salt rock lamp thing on there. It also matches all my other wood which was what I was really hoping for. One thing that made me laugh is the stickers they included to hide the screws. The color is so off it’s comical. It’s not a big deal though, I am just not going to use them.
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Reviewed in the United States on February 26, 2026
★★★★★ 2
Wrong drilling template
Color: White, Color: White
Shelves look nice but the mounting template is the wrong size. I’ve bought other shelves from this brand and loved that it came with the template. It’s not impossible to hang without it, but it’s difficult since a pencil can’t fit through the holes in the shelf to mark the wall. Tried to reach out for product support and got no help. They just send you to troubleshoot on your own information and when it doesn’t work, they just send you back to the start of the same information. Very glad I checked the template against the product before drilling into my wall
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Reviewed in the United States on May 16, 2026
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