PolypLab One - 500 ml Made in Canada saltwater plants Polished aluminum dome for maximum

Polished aluminum dome for maximum light and heat output

Made of high-quality polyresin

For an easier customer experience

food-grade materials

Efficient 3-stage clip-on filter with adjustable flow control

PolypLab One - 500 ml Made in Canada saltwater plants Polished aluminum dome for maximumOne 500 ml PolypLab's One formula supplies calcium, magnesium, and alkalinity to your reef aquarium with one simple and convenient solution. This totally balanced calcium system does not require complicated reactors, multi part systems or any extra equipment. PolypLab's has engineered One using a unique mixture of two different forms of acetate and hydroxide salts. When added to aquarium water, One's calcium magnesium ions are made freely available