Pay in installments of $4.99 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
JBL KH Test RefillSimple and reliable control of water values in aquariums and ponds. Determination of the optimal carbonate hardness for freshwater and saltwater Colour change test: Fill plastic cuvette with water sample, add reagent drop by drop until colour changes from blue to yellow. Number of drops = level of carbonate hardness When to use: when setting up a new aquarium: once a week Online Laboratory: regular control for a healthy aquarium pond with conditions
- Simple and reliable control of water values in aquariums and ponds. Determination of the optimal carbonate hardness for freshwater and saltwater
- Colour change test: Fill plastic cuvette with water sample, add reagent drop by drop until colour changes from blue to yellow. Number of drops = level of carbonate hardness
- When to use: when setting up a new aquarium: once a week
- Online Laboratory: regular control for a healthy aquarium/pond with conditions close to nature. JBL has water tests in the form of quick tests or colour change tests for every water analysis. Testing aquarium water for healthy, clear water
- Package contents: 1 quick test, KH Test. Incl. reagent and plastic vial. Refill reagent avaiable separately
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
4.5 ★★★★★
Based on 6 reviews
Sort
Product Reviews
★★★★★ 5
Funny birthday book for kids
Format: Paperback
My son loves this book, we now give it to all their friends for their birthday!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 13, 2025
★★★★★ 4
Very cheeky
Format: Paperback
My kids loved the Dad and Me book and continue to read it years later. I ordered this for a birthday. We enjoyed it on the birthday but my kids haven’t asked to read it since. Cute but it didn’t live up to some other versions. Still glad I purchased.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2024
★★★★★ 5
So funny
Format: Paperback
Great for the price. This beats the instore price by several $$. Well worth it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 3, 2024
★★★★★ 5
Kids love
Format: Paperback
My son loves this book, and this series so much, he’d read this book every single night before bed if we let him. And we just might!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2024
★★★★★ 5
Book
Format: Paperback
Nice book
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 4, 2025
recommand products
Crown Automotive - Rubber Black Vacuum Harness - 53001100
33.25
Crown PCV Valve for 2006-2007 Jeep WK Grand Cherokee & XK Commander w/ 4.7L Engine - 53032925AC
26.25
Crown Automotive - Steel Spice Crankshaft Seal - 5047167AA
21.00
Crown Automotive - Steel Black Hood Prop Rod - 55017480
21.00
Py-PB-COF
178.57