
H2P Calculators
Enter your aquarium size (in litres), initial and final alkalinity values (in dKH), and the number of days between measurements

Complete/pH Plus Part 1
Daily Dose Calculator
Universal Part 2
Daily Dose Calculator
pH Plus - Safety Warnings
DANGER - Causes severe skin burns and eye damage. Use protective gloves and eye protection. IF ON SKIN (or hair): Remove all contaminated clothing, rinse skin with water/shower immediately. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove the person to fresh air and keep at rest in a comfortable to breath position.
IF SWALLOWED: Rinse mouth. DO NOT induce vomiting.
Call emergency services immediately.
DISCLAIMER: Please ensure to only use chemical resistant dosing pumps and hoses/pipe like silicon tubing.
pHplus may damage bio-degradable 3D printed parts, some metals and non-chemical resistant plastics used in some aquarium equipment.
Reef Zlements cannot accept responsibility for the use of pHplus with non-chemical resistant equipment or damage cause by improper use.
In doubt please check with your equipment supplier before using.
Keep out of reach of children. Not for human consumption.