Replace your Temperature Probe, add one for another tank, or put one on your PM2/PM3 module for temperature compensated readings. Buy this probe if you are: Replacing an old probe. Adding another tank to your system via a PM1. Want to have more...

This test can be used to measure any ionic copper in your source water or to monitor copper levels during parasite treatments. The test kit includes a test cylinder and reagent, plus a color chart to measure the copper, accurate to 0.05 PPM. It can be...

High levels of silicate can lead to diatom blooms. Some tap water and even RO water may have silicates and should be monitored with a Silicate Test Kit. This kit includes a test vial, syringe, three reagents and a color chart. It offers two methods of...

Calcium alone cannot form the skeletal material of corals and allow calcareous algae to grow. Some other substances are needed as well. A few other constituents are carbonate and bicarbonate. These two substances also have a major impact on the...

Connect external switches and I/O Inputs to your Apex When connected to the I/O Port of your Apex, Apex Lite, or PMx module, the Breakout Box gives you an easy way to connect up to six external switch inputs to your Apex. Examples of things you might...

Every day it seems there is yet another LED light fixture released. Each one with its own method for control and dimming. With this module, you can outfit your Apex System with the ability to control many different brands of LED lights…from...

The NYOS® Quantum® 220 is an efficient and silent high performance skimmer for tanks up to 500 Gallons. Extreme performance Very smooth operation Low power consumption Easy to...

The NYOS® Quantum® 160 is an efficient and silent high performance skimmer for tanks up to 1.000 litres (250 gal). Extreme performance Very smooth operation Low power consumption Easy to...

The NYOS® Quantum® 120 is an efficient and silent high performance skimmer for tanks up to 500 litres (125 gal). Pump:              Quantum® 1.0Air max...

PHOSPHATE REEFER NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater is...

NITRATE REEFER NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater is...

MAGNESIUM REEFER NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater is...

CARBONATE HARDNESS REEFER NYOS® REEFER test kits - taking measurements at the laboratory level at an attractive price Water properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater...

CALCIUM REEFER NYOS REEFER test kits - taking measurements at the laboratory level at an attractive price Water properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater is difficult due...

ZEO NYOS® ZEO is a high-quality, specially adapted zeolite mixture for seawater aquariums. Regular use reduces nitrate values permanently, simply and safely to the detection limit. Naturally pure, high-quality, free of additives, carrier...

NYOS REEF CEMENT NYOS REEF CEMENT is a rapid adhesive with a firm grip and is low in harmful substances, which can be used to attach corals, overhangs, columns and complete stone structures easily and durably. REEF CEMENT is a powdery substance,...

1LINK™ – Easy, one-click installation The WAV is the first of a line of aquarium products from Neptune Systems that will use a completely new interface. While many in the aquarium world continue to embrace wireless technologies for...

Feed your fish consistently, and safely, while you are home OR away! NOT A STAND-ALONE FEEDER (MUST BE USED WITH AN APEX SYSTEM) A key component of caring for aquatic animals is regularly providing them with food, but in amounts that get consumed...

PHOSI-EX NYOS PHOSI-EX is an extremely high-performance, moist, and secure silicate and phosphate adsorber on an iron basis.  The targeted use of PHOSI-EX will prevent unwanted algae plagues effectively and you aquarium will shine in all...

Ensure your aquarium foundation is built on water of the highest purity with Nyos Aqua Pure. This professional-grade mixed-bed deionization (DI) resin is designed to work as the final stage of your Reverse Osmosis (RO) system, stripping away the...

Experience professional-grade water clarity with Nyos Active Carb. This premium, steam-activated carbon is engineered specifically for the delicate environments of reef, marine, and freshwater aquariums. Unlike standard carbons that can leach...

NYOS® BIO BOOSTER is a well-formulated Nutrient solution with more than 90 ingredientsBIO BOOSTER biologically reduces nitrite, nitrate and phosphate. In addition, your corals can use the resulting biomass as particulate nutrition. Together with...

Maintaining consistent salinity in your aquarium is key to the well being of every organism inside it. And, as busy as we sometimes are, we don’t even realize our parameters are out of whack until it’s too late. With this module, your Apex...

The PM1 probe module is just what you need if you want to monitor pH or ORP in your tank. And, there is an added bonus, you get an extra temperature port as well as six I/O switch inputs for use on ATO, feed buttons, or whatever else you may come up...

The Energy Bars available for our Apex systems are much more than a glorified power strip. In fact, this component of your aquarium controller equipment is far more important than most people realize – and not all systems are created equal! It...

CORAL NECTAR NYOS® CORAL NECTAR is a well-formulated nutrient solution that prevents specifically deficiencies and degeneration or corals and filter-feeders. After some time, a degeneration of numerous corals can occur frequently even in...

Calcium is a major constituent of calcareous algae, skeletal material of hard corals and the skeletal needles of soft/leather corals. Calcium also fulfills many biological functions.Quite often a too low calcium concentration retards coral and calcareous...

Flatworm eXit itself is quite safe to fish and invertebrates.  However, the body fluids of flatworms can be toxic to some reef inhabitants when present in a too high concentration. This body fluid is sometimes excreted when flatworms die. So when...

Flex hose is excellent for use as drain hose in sumps for wet/dry filters.4FT X 1" FLEX HOSE

Flex hose is excellent for use as drain hose in sumps for wet/dry filters.3FT X 1" FLEX HOSE

The overflow box effectively transports aquarium water to under cabinet sumps, refugiums, or wet/dry filters.  These high quality overflow boxes features bulkhead fittings for secure and convenient installation. The U-tube style compact overflow...

The overflow box effectively transports aquarium water to under cabinet sumps, refugiums, or wet/dry filters.  These high quality overflow boxes features bulkhead fittings for secure and convenient installation. The U-tube style compact overflow...

The overflow box effectively transports aquarium water to under cabinet sumps, refugiums, or wet/dry filters.  These high quality overflow boxes features bulkhead fittings for secure and convenient installation. The U-tube style compact overflow...

The overflow box effectively transports aquarium water to under cabinet sumps, refugiums, or wet/dry filters.  These high quality overflow boxes features bulkhead fittings for secure and convenient installation. The U-tube style compact overflow...

This attractive fluid containment system stores your dosing fluids in style and even tells you when it’s time to refill! Each side stores two liters (2L) of fluid Connects directly to your DŌS Optical sensors inform your APEX when...

Eshopps’ new 5 holes tube holder can be used with the Eshopps’ Dosing Pump to conveniently connect to a sump for any dosing purpose.5 Holes great for organizing dosing tubes.

Micron filter bags provide excellent mechanical filtration, which helps reduce the amount of ammonia-producing organic matter in your aquarium. They also help prevent larger objects such as sand, crabs, and snails from damaging pump motors. Add these...

Micron filter bags provide excellent mechanical filtration, which helps reduce the amount of ammonia-producing organic matter in your aquarium. They also help prevent larger objects such as sand, crabs, and snails from damaging pump motors. Add these...

Micron filter bags provide excellent mechanical filtration, which helps reduce the amount of ammonia-producing organic matter in your aquarium. They also help prevent larger objects such as sand, crabs, and snails from damaging pump motors. Add these...

Only Selcon Concentrate contains Omega-3 HUFA, Vitamin B12 and pure stabilized Vitamin C. So if you are establishing a saltwater breeding program, preventing/reversing lateral line disease or just maintaining a healthy reef system, try Selcon; it's...