UltraClear® pH Higher by ABI Inc. Hikari lightweight BioBalls are easy to

lightweight BioBalls are easy to clean and reduce channeling

Lower pH of 3

5" Filter Union (Formerly #40083) A50187 617750501871 1

3/8" threaded inlets for RV75/RV100

UltraClear® pH Higher by ABI Inc. Hikari lightweight BioBalls are easy toUltraClear pH Higher increases the pH in aquatic systems. pH levels less than 7 are considered acidic, while those greater than 7 are considered basic (alkaline). Most ponds and aquariums have desired pH between 6. 0 and 8. 5. Because most ponds and aquariums are closed systems, pH may drift away from healthy levels as time goes on. Whether you're starting out your system on the right foot, or maintaining and correcting an existing system, the easiest