Seachem Reef Advantage Strontium 300gr

Dosage: For beginners: 1 spoonful for every 150 litres of aquarium 2 times a week directly into the aquarium. For advanced users: Check the strode levels and follow the above instructions until it reaches its normal level (8-12 mg/L). Then adjust the dosage so that the strode value remains at its normal level. Each dose will increase the strode value by 2 mg/L The amount and frequency of dosing can be adjusted. Available in 300g, 600gr and 1,2kg packs