Shop for Maintenance Accessories

Easy-to-use portable digital calcium monitorPrecise LCD readout - displays calcium levels in ppmConvenient calcium testing for reef hobbyistsHigh-tech, digital calcium monitor simplifies routine testing. Just dip calibrated probe in water sample for quick and accurate measurement. No more mixing messy chemicals or waiting for results. Powered by a standard 9-volt battery (not included). Display Range of 000.0 9,772.0 ppm Ca+, Accuracy +/- 2 percent after calibration. 3" x 5". Includes calcium meter, calcium probe (7" probe with 10 ft probe cable with BNC connector) and calibration fluids.Calcium Monitor Fluid Kit includes 1 bottle each of 100 ppm Calcium Calibration Fluid, and 1,000 ppm Calcium Calibration Fluid.Replacement probe, adapter kit, and calibration packets also available.Please click on "More Information" for details.

Professional aquarium Oxidation Reduction Potential (ORP) monitorContinuously monitors aquarium ORP levels to ensure a healthy aquatic environmentEssential monitor for aquarium systems using ozone and ozonizersProfessional monitor constantly measures aquarium oxidation-reduction potential (ORP/REDOX). An essential aquarium-monitoring device for reef aquarium and other high-tech aquariums that utilizes ozone or ozonizers to break down organic waste materials. Precision probe instantly detects ORP/REDOX changes to help ensure overall health of your aquarium system.Large Liquid Crystal Display shows a 1 mV resolution with a ?1 mV accuracy (-2000 to +2000 mV range) and features a low battery indicator. Built-in offset screw for quick and easy calibration. Lab-grade, Ag-AgCl, epoxy electrode has full platinum band and BNC connector. Runs on a 9V battery (not included). Fully guaranteed. 3" x 5".Electrodes, adapter kit, and calibration packets also available.Please click on "More Information" for directions for use.

Electronic monitor for precise measurement of dissolved oxygenFast and accurate way to measure dissolved oxygen in aquariumsMonitor dissolved oxygen level for healthy aquarium inhabitantsThis monitor makes measuring dissolved oxygen easy. Accurately reads dissolved oxygen levels from 0 - 20 ppm. The versatile Pinpoint II Oxygen Monitor displays a digital readout for dissolved oxygen in either percent oxygen or ppm saturation. This affordable and accurate dissolved oxygen monitoring system is the preferred monitor in the aquaculture industry. Includes probe with 5 ft cord, extra replacement membranes and probe electrolyte. No calibration fluid needed. Operates for about 150 hrs. Runs on a 9V battery (not included).Electrodes, adapter kit, and calibration packets also available.Please click on "More Information" for directions for use.

Electronic monitor continuously measures aquarium pHAccurately measures aquarium pH to 1/100th of a unitSimplifies the measuring and monitoring of aquarium pHConstantly monitor the pH of your aquarium. Precision pH monitor immediately detects changes in aquarium pH. Powered by a 9V battery (not included); "LOBAT" indicator signals for a replacement. Accuracy of andplusmn;0.01 and and large, easy-read display shows pH to 1/100th of a unit. Lab-grade epoxy electrode features a BNC connector. The PINPOINT pH Monitor comes complete with probe and calibration fluids. Measures 3" x 5". For salt or fresh water use.Replacement probe, adapter kit, and calibration packets also available.Please click on "More Information" for directions for use.

For continuous, precise control of ozone or CO2 injections in your aquarium. Each unit controls upper and lower ranges, cycling your equipment on or off accordingly to adjust pH or ORP readings. Each has a large LCD display and includes a probe for aquarium use. Replace electrodes approximately every 18 months. Both units have an amp rating of 5, and accept 3-prong plugs. pH Controller includes calibration fluids. 9-volt battery required (sold separately).Electrodes, adapter kit, and calibration packets also available.Please click on "More Information" for further details.

For continuous, precise control of ozone or CO2 injections in your aquarium. Each unit controls upper and lower ranges, cycling your equipment on or off accordingly to adjust pH or ORP readings. Each has a large LCD display and includes a probe for aquarium use. Replace electrodes approximately every 18 months. Both units have an amp rating of 5, and accept 3-prong plugs. pH Controller includes calibration fluids. 9-volt battery required (sold separately).Electrodes, adapter kit, and calibration packets also available.Please click on "More Information" for further details.

Electronic salinity monitor for precise salt measurementAccurately and immediately measures aquarium salt levelMonitor salt levels in marine and freshwater aquariumsContinuously measure dissolved salt levels in your aquarium. Accurately reads aquarium salt levels in millisiemens (mS), but includes a chart to cross-reference both specific gravity (S.G.) or salt (ppt). The reading is fully temperature compensated for true readings of salt levels. Includes a 53.0 mS reference/calibration fluid. Great for marine aquariums and freshwater aquariums treated with aquarium salt. This monitor is especially useful to determine the low level of salt required for Koi, whether in an aquarium or outdoor pond. Runs on a 9V battery (not included).53.0 mS calibration fluid, and adapter kit also available.Please click on "More Information" for directions for use.

Easy-to-use plastic hose clamps for fresh and salt water Barbed teeth provide a tight fit, while allowing quick removal. 2 pk.

Easy-to-use plastic hose clamps for fresh and salt water Barbed teeth provide a tight fit, while allowing quick removal. 2 pk.

Easy-to-use plastic hose clamps for fresh and salt water Barbed teeth provide a tight fit, while allowing quick removal. 2 pk.