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Algae scrubbers have been successfully used for many years to combat excess nutrients via the growth of natural algaes. Due to the efficiency of algae scrubbers, many aquarists no longer need expensive nitrate and phosphate removal media to combat...

Algae scrubbers have been successfully used for many years to combat excess nutrients via the growth of natural algaes. Due to the efficiency of algae scrubbers, many aquarists no longer need expensive nitrate and phosphate removal media to combat...

*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Classic CR618 GEN 3 will hold 12 pounds of large grain media and is suitable for reef aquariums up to 300 gallons...

Purchase and return this item within 30 days, your purchase will be refunded minus the restocking/rental/shipping fee of $100. All rental products have a different fee based on the retail cost of the items.  30 Days begins from the date of purchase,...

The MQ-650 ePAR meter is designed for underwater extended PAR measurements (400-750 nm) and already applies the sensor's immersion effect correction factor to the meter readings through firmware. The meter provides excellent measurements under...

The Apogee Instruments Quantum Apogee Underwater Full Spectrum Meter MQ-510 is a meter that is designed for underwater PAR measurements. It is a self-powered analog full-spectrum quantum sensor with a 0 to 40 mV output.  The meter has a...