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As they clump together they form larger pieces of matter that are now visible
IMPORTANT: If the carbonate hardness is above 14dKH (which corresponds to an alkalinity of 3 meq/L) addition of 2 level spoons in step #2 is required
This can be corrected by increasing the potassium value to the normal natural concentration
Glass and glass tiles & mosaic
ISTA CO2 Controller ROWA As they clump together theySpecifications of the ISTA CO2 Controller Equipped with German made solenoid safety valve to prevent accidents if overpressure occurs. Silent operation. Precision needle valve ensures stable and accurate CO dosing output. Stainless steel, anti rust Easy to assemble by hands. No tool required. Dual gauges : One guage indicates the pressure in the cylinder, and the other guage shows the depressurise power (output pressure in the aquarium).