Tropica Hygrophila polysperma (Rosanervig) Potted Plant Algae Scrubbers The built-in optical sensors are

The built-in optical sensors are especially useful when dosing fluids are critical to reef stability

and controllability for marine and reef aquariums

Filter style: Round

The white body stripes remain wide and bright and the blue stripes may fade away or become yellowish

while the acrylic external chamber incorporates a recessed cover and 1-inch bulkhead connection

Tropica Hygrophila polysperma (Rosanervig) Potted Plant Algae Scrubbers The built-in optical sensors areTropica Hygrophila Rosanervig Potted Plant Hygrophila polysperma 'Rosanervig' is normally an undemanding plant. It may suddenly develop shoots that are entirely green. Remove these to keep the distinctive pink, marbled leaves. If you want deep pink leaves, you must provide intensive light. Stems becomes 20 40 cm tall and 5 8 cm wide. The distinctive colouring of the pale leaf ribs is probably caused by a virus which prevents chlorophyll from being