Reef Factory KH Keeper Concentrate Reagent 2.5L
SKU: 20867062548

Reef Factory KH Keeper Concentrate Reagent 2.5L

$100.80 $112.00
Save 10%
No.2 Bestseller on reelrocktour.hu >

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 5 - Jul 10

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Reef Factory KH Keeper Concentrate Reagent 2.5LKH Keeper concentrated reagent is a calibration solution dedicated to the KH Keeper device. After dilution in RO water at a ratio of 1 part concentrated solution to 9 parts RO water. It is sufficient for over 1000 device measurements. Concentrated reagent for testing the carbonate hardness of water in a marine aquarium using the measuring station from Reef Factory KH keeper Plus. This device independently collects water from the aquarium for testing,

KH Keeper concentrated reagent is a calibration solution dedicated to the KH Keeper device. After dilution in RO water at a ratio of 1 part concentrated solution to 9 parts RO water. It is sufficient for over 1000 device measurements.

Concentrated reagent for testing the carbonate hardness of water in a marine aquarium using the measuring station from Reef Factory - KH keeper Plus. This device independently collects water from the aquarium for testing, performs the measurement and saves the result in the Smart Reef application. You can check the results and history of measurements in the app at any time.

A stable KH level in the aquarium is important for maintaining optimal coral growth conditions. To take the best care of your aquarium, it is worth measuring this parameter regularly. 

Key features of the reagent:

  • Highly concentrated, before use, mix it with RO/DI water in a ratio of 1:9

  • High repeatability and measurement accuracy - up to 0.01 dKH

  • 1L of concentrated reagent allows for an average of 1429 tests

  • Non-toxic to corals

Also available in 1 Liter sized bottles.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 20867062548

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.1 ★★★★★
Based on 656 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
D
Daniel S
Natrona Heights, US
★★★★★ 5
Comfortable Flip-Flops with a Clean, Sporty Look
Size: 13, Color: Black/Geyser
I picked up the Columbia Men’s PFG Castback Flip in the black and white colorway, and the first thing I noticed was how comfortable they felt right out of the box. How They’ve Been Used: Even though it’s still winter, I’ve been wearing them around the house occasionally to get a feel for the fit and comfort. I plan to use them more regularly outdoors once the weather warms up. What Worked Well: Immediate Comfort: The footbed feels cushioned and supportive without needing a break-in period. Secure Fit: The straps sit comfortably without rubbing or feeling stiff. Lightweight Design: Easy to slip on and off for quick wear. Clean Style: The black and white combination gives them a sharp, versatile look. Positive Feedback: My wife has already commented on how good they look. Things to Keep in Mind: Seasonal Use: Best suited for warmer weather and casual settings. Sizing: Checking the size guide helps ensure the right fit. Bottom Line: Based on my experience so far, these flip-flops offer a great balance of comfort and style. They’re comfortable enough for everyday wear and look sharp enough for casual outings. I’m looking forward to putting them to full use once spring arrives.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 27, 2026
E
Erik C
Phoenix, US
★★★★★ 5
Columbia always makes great stuff
Size: 14, Color: Espresso II/Black
Even with my flat feet these offer a lot of padding which makes these extremely comfortable. They increase my height about an inch haha. These are great for walking around the beach or just going for walks. The tread on the bottom of these make walking up hills where the surfaces are not completely even extremely easy and very grippy. Time will tell how durable these are, but so far they're holding up very well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
J
JandJ
Belleville, US
★★★★★ 5
Comfortable Lightweight Flip Flops with Reliable Grip
Size: 9, Color: Black/Geyser, Size: 9, Color: Black/Geyser
These flip flops have an excellent fit with a cushioned footbed that makes them very comfortable to wear for long periods. The grip is strong on wet surfaces, which adds confidence when walking around pools, beaches, or after rain. The overall quality feels top tier, and the color looks clean and well finished. They are lightweight, and the sizing was spot on, making them easy to slip on and wear throughout the day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2026
S
Sean Bozarth
Carnegie, US
★★★★★ 5
Comfortable, Lightweight, and Easy for Everyday Wear
Size: 8, Color: Black/Geyser
I picked these up mainly for casual wear and beach days, and they’ve honestly been a great grab. They were comfortable right out of the box, which isn’t always the case with flip flops. The footbed has a little bit of cushion without feeling overly soft or flimsy. They feel supportive enough for running quick errands but still light and easy to slide on. The fit was true to size for me. They’re maybe slightly roomy in the toe area, but not in a way that bothers me. The straps don’t rub or dig in, which is usually my biggest concern with sandals like this. They also seem well made. The material feels durable and not cheap, and they have that simple Columbia look that works with shorts or just something casual around the house. Overall, solid pair of flips. Nothing flashy, just comfortable and reliable. I’d definitely buy them again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
A
Verified Purchase
Anna
Waukegan, US
★★★★★ 5
Great, durable toy
Color: Blue-Red, Size: Extra Large Size 5 (9")
I’ve had this toy for a while now and my dog absolutely loves it. I frequently bring it to the dog park with us and it’s also loved by other dogs. The ball is pretty durable. My dog is not a big chewer but other dogs that play and chew on it haven’t been able to pierce it yet. The handles are sturdy and also still intact. Overall a little pricey but in my opinion worth it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026

recommand products

Blair Dress- Green
15.00
Brooklyn Maxi Dress -Coffee/floral
25.00
Riley Shorts -Beige
10.00
Olivia Dress- White
15.00
Annabelle Dress -White/Green
59.00