Rhino Blue (priced per polyp) test kits The digital refractometer eliminates the

The digital refractometer eliminates the uncertainty associated with mechanical refractometers and is easily portable

To maintain a stable environment it is important that the calcium content should not fluctuate by more than 15 mg/L from the optimum range of 420 - 450 mg/L so regular testing should be carried out

An adjustable air filter permits the user to fine-tune air volume and water mixing as desired

Calcium is a major constituent of coralline algae

Rhino Blue (priced per polyp) test kits The digital refractometer eliminates theBlue Rhinos Price is Per Polyp. Cut to order. Please allow a week to heal properly. WYSIWYG picture will be sent when ready.