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- USA
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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
API Aquarium Pharmaceuticals pH Control Kit - 30B pH Down 16 oz & pH UP 4 oz Freshwater Aquarium Water pH AdjusterAbout This Lowers pH levels in freshwater aquariums with a 16 oz bottle of API pH Down to help fish thrive. Raises pH levels in freshwater tanks with a 4 oz bottle of phosphate free API pH Up to promote fish health. Both pH adjuster solutions are safe for use with fish, plants and can be used when setting up a new aquarium. Weekly pH testing is recommended to maintain ideal freshwater aquarium water acidity for your fish. Over 50 years of API aquarium
About This
- Lowers pH levels in freshwater aquariums with a 16 oz bottle of API pH Down to help fish thrive.
- Raises pH levels in freshwater tanks with a 4 oz bottle of phosphate-free API pH Up to promote fish health.
- Both pH adjuster solutions are safe for use with fish, plants and can be used when setting up a new aquarium.
- Weekly pH testing is recommended to maintain ideal freshwater aquarium water acidity for your fish.
- Over 50 years of API aquarium research and products for easy fishkeeping and water quality maintenance.
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
4.1 ★★★★★
Based on 1162 reviews
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Product Reviews
★★★★★ 5
Great Shoes
Size: 10, Color: Cognac
Love these shoes super comfortable and look great. Everyone asks me where I got them.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Beautiful shoe but too narrow
Size: 10 Wide, Color: Navy Grainy Leather
Too narrow
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Looks good feels good
Size: 13 Wide, Color: Black
I've had them 2 weeks and love them. Took a little breaking in but they feel great now.
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Reviewed in the United States on April 8, 2026
★★★★★ 4
Very narrow
Size: 10 Wide, Color: Cognac
Run narrow. For very narrow feet. Wide width fits like a regular width.
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Reviewed in the United States on February 9, 2026
★★★★★ 5
Comfortable Shoes Right Out of the Box
Size: 9, Color: Black
I bought these shoes for my husband. He has a very hard time finding quality, comfortable shoes. These shoes are just as comfortable as his New Balance. He uses them as a dress shoe and wears them at least once a week. There was no break in period necessary. They were comfortable right out of the box! The only thing we didn't like was the white sole color. Once I knew he was going to keep them, I used a black sharpie marker to color the soles black. Instant amazing, comfortable dress shoes. They were well worth the cost. If you or your SO needs a comfortable pair of shoes, we highly recommend them.
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Reviewed in the United States on September 2, 2025