All Tubing is Sold by The Foot.  If you would like 10 Feet of Tubing, purchase a quantity of 10.  Need 20 foot of tubing, enter 20 for the quantity.  You can edit the quantity inside your shopping cart.  There is a 10 foot minimum on...

We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets. Automatic Calibration – A 35.00 ppt solution is used for calibration and...

HI70024P is a premium quality 35.00 ppt salinity calibration solution that is NIST traceable and contained in portable single-use sachets. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring...

G.A. Murdock's line of EZ Angle Stop Adapters are the simplest way to connect any water-using appliance from RODI Units, icemakers to POU equipment to OCS equipment. Constructed of chemical resistant Polypropylene. EZ Angle Stop Adapters Features:...

We store this in a climate controlled environment to keep it fresh - Good for 6 months at room temperature, 1 year at 50°F. Best to keep refrigerated for longest shelf life. One and Only Live Nitrifying Bacteria prevents new tank syndrome by...

G.A. Murdock's line of EZ Angle Stop Adapters are the simplest way to connect any water-using appliance from RODI Units, icemakers to POU equipment to OCS equipment. Constructed of chemical resistant Polypropylene. EZ Angle Stop Adapters Features:...

Its temperature resistance plus good electrical properties, coupled with the ability to self-extinguish, makes Silcon® an excellent choice for appliance and computer applications. Peroxide-cured Silcon® contains no sulphur or other...

We consider this our PRO RODI system. It is also a 4 stage 100 GPD System but in this case, there is a built-in microcontroller that will automatically manage the flushing of the membrane, so you do not have to manually do anything. It also includes a...

This is what we consider the most basic budget level entry system. Our newbie 4-stage standard system is the most basic system you can buy to get started. Portable and Affordable! Great for smaller aquariums or apartment/condo...

This is what we consider our standard system. Our 4-stage standard system is exactly like the beginner system except for water pressure and TDS monitoring. It can tell you when your pressure is correct or not and what your TDS is for incoming and...

Ultra Grip Small saw teeth inside of clamp throat provide extra gripping strength. Tiny serrated edges hold fabric and other surfaces for better staying power. Textured Grip Grip features a x-weave textured surface that provides gripping power...

This is your basic 4 stage 100 GPD RODI System. This is for budget minded consumers who just want something that works without the bells and whistles. It will filter your source water, but it will not be able to tell you much information about TDS or...