CaribSea A.R.M. Calcium Reactor Media 1 Gal (Extra Coarse) Special Deal By dosing with Flourish Excel™

By dosing with Flourish Excel™ you bypass the involvement of CO2 and introduce the already finished

If the colour corresponds to a lower value than 10 mg/L nitrate then it might be beter to compare colours as shown for the low range (see below)

thereafter

Tubinaria Reniformis stops growth completely and withers away

CaribSea A.R.M. Calcium Reactor Media 1 Gal (Extra Coarse) Special Deal By dosing with Flourish Excel™ARM Coarse Reactor Media contains calcium, carbonate, and trace elements. Nearly 50x the Strontium of other brands (7390ppm) Precision grading (2 3mm) allows for maximum carbon dioxide penetration No gastropod shells means the lowest phosphate content (less than 1 10th of 1ppm) Highest solubility of any reactor media (metastable at 8. 2)