Nyos Reef Cement NYOS® REEF CEMENT is a rapid adhesive with a firm grip and is low in harmful substances. Can be used above and below water Not harmful to corals or fish Attachment of corals, reef structures, etc. Technical Details Content:500ml Use: 3 parts REEF CEMENT, 1 part water Binding time: 2 minutes

Phosphate Reefer For 50 tests Notice in French Highly accurate phosphate testing for seawater. Highly sensitive reagents. Calibrated professional dial indicator Graduated color differentiation with accurate sliding dial indicator Measurement range: 0.025 to 1.00 mg / L PO4

Nitrate Reefer For 40 tests Notice in French Highly accurate nitrate test for seawater. Highly sensitive reagents. Calibrated professional dialer Graduated color differentiation with accurate sliding comparator Measurement range: 1-160 mg / L NO3

Magnesium Reefer For 50 tests Notice in French High precision magnesium test for seawater. Easy conversion factor, accuracy of 15 mg / L Accurate measurement with immediate color change Separate indicators and titration solution.

Calcium Reefer For 50 tests Notice in French High precision calcium test for seawater. Easy conversion factor, accuracy of 5 mg / L Precise measurement with immediate color change Separate indicators and titration solution.

Carbonate Reefer Alcalinité For 50 tests Notice in French High precision KH alkalinity test for seawater. Easy to use, drop test. Stable titrating reagent. Accurate measurement with immediate color change Separate indicators and titration solution.