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ME Coral Kalk Powder (1 GAL container)ME Pharmaceutical grade Kalkwasser (Kalk) which is also known as Lime or Calcium Hydroxide. It is the only chemical that delivers both Calcium and Alkalinity together. It is very effective at maintaining not raising Ca and Kh. In small systems with low consumption rates this may be the easiest way to supplement Ca and Kh. Kalk has also been shown to improve the performance of protein skimmers, as well as aid in the reduction of phosphates. Kalk has a

Return pump and reactor to sump or tank together

it means you will have to replace the UV lamp assembly (AA09W-UVC or AA24W-UVC)

Guaranteed pesticide- and GMO-free

various shapes and sizes

It is also useful in tanks with aggressive skimmers

If either becomes deficient

Super nutritious Natural Purple Seaweed sheets

Minor and trace elements are made unavailable in marine aquaria largely by adsorption to particulate organic matter (POM)

Reef Octopus Aquatrance 3000s Pinwheel Pump

Neck Size: 4

thus electronically control water flow rates

Remove old pad/felt entirely without damaging the plastic surface of the magnet