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    …most cases.  By placing a single sheet of Neoprene Foam in-between the tanks glass/acrylic and stand, that will dampen any pressure points to make a level and even surface for the tank to rest on.  1/8 inch thick Closed Cell Neoprene Foam Easily cuts with razor blade for a professional looking edge…

    Starting at:
    $32.99

    …cracked, damaged, crazed, or just plain dirty Skimz components with genuine Skimz replacement parts! Level controllers for In-Sump skimmers do not include adjustment knob, only the gate.   Skimz Level Controller Sizes  Your Skimmer  Skimz Model Number  BRS SKU SM121 TSB001 208771 SM161 or SM163…

    Starting at:
    $21.59

    When placing a rimless tank directly onto a stand or any surface a piece of foam, rubber, or neoprene should be used to relieve any pressure points or unevenness in the surface the tank will rest on. With the adhesive backing you can place the mat directly to the tanks bottom to keep it from sliding…

    Starting at:
    $10.99

    It is not common but if you ever need a replacement level switch for your Theiling Compact Rollermat we have you covered. This is the OEM replacement level switch for the Compact Rollermat and only takes a few minutes to replace.    What's Included? 1x Replacement Compact Rollermat Level Switch

    $11.99

    …sensor if you want a reliability over a long period of time. The Neptune Optical Sensor plugs directly into the FMM allowing you to monitor the level of your sump, mixing station, or any other reservoir that has up to 1/4" thick walls.   Includes Magnetic Mount   This sensor plugs into your FMM…

    $34.95

    …your return pump and also helps your protein skimmer filter more efficiently by keeping a steady water level in the sump box. Accepts the Modular Return Pump Basket Filter Creates a steady water level for the protein skimmer Perfect spot for ATO sensors Titanium clamping Screws Crystal clear acrylic…

    $49.99

    …go to sensor if you want a reliable sensor over a long period. The Neptune Optical Sensor plugs directly into the FMM allowing you to monitor the level of your sump, mixing station, or any other reservoir with liquid in it.   This sensor plugs into your FMM and, using reflected infrared light, will…

    $24.95

    …The magnetic reeds enclosed in liquid level sensors are extremely reliable and long-lasting when utilized properly. Failures are nearly always a result of current overloading. Pumps, solenoids and many other devices that require control by a liquid level sensor carry "steady state" current ratings.…

    $10.99

    …AutoAqua's Smart Level Sensor will cut power to the outlet when the sensor detects a change in water level. The plug & play design requires no difficult programming and the magnetic attachment makes placement and adjustments of the level sensor quick and easy. The Smart Level can be used as either…

    $59.99

    …crazed, or just plain dirty Skimz components with genuine Skimz replacement parts. Level controllers do not include gate, only include the knob and threaded rod. Skimz Replacement Level Knob Fitment Table Level Control Knob  Skimz Skimmer or Sump Model SKU TSL001 SM121 209423 TSL002 SM161 SM163…

    Starting at:
    $9.59

    …Includes float switches and brackets   Float Sensors The A.T.O. is equipped with (2) float sensors that activate within seconds when your water level drops and automatically refills your sump or tank until it reaches your desired set point. Each float sensor has been designed with an exterior guard…

    $84.99

    Replacement float switch bracket for Theiling Roller Mat's level switch. If your Theiling Roller Mat has any parts that are damaged, worn, or you simply just want to keep an extra on hand we carry OE Theiling replacement parts.

    $4.49

    Replacement float switch grommet for passing wiring through the Rollermat housing. If your Theiling Roller Mat has any parts that are damaged, worn, or you simply just want to keep an extra on hand we carry OE Theiling replacement parts.

    $2.49

    Dose according to manufacturer's instructions. One (1) mL of Liquid supplement will raise the alkalinity level of 25 gallons by .1 dKH.

    $12.99

    …Product Guide   Potassium is one of the major elements in seawater and natural levels are very similar to calcium levels, 380-410mg/liter. While not consumed as quickly as calcium, it is important to maintain appropriate levels to achieve ideal coral coloration and growth. KZ tests have shown tanks…

    Starting at:
    $23.99

    …Guide   Potassium is one of the major elements in seawater and natural levels are very similar to that of calcium levels, 380-410mg/liter. While not consumed as quickly as calcium, it is important to maintain appropriate levels to achieve ideal coral coloration and growth. KZ tests have shown tanks…

    Starting at:
    $18.99

    Easily test the magnesium level in your tank. Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available to each testing method. The Salifert Magnesium Test Kit contains 50 tests.

    $19.61

    Easily test the iodine level in your tank. Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available to each testing method. The Salifert Iodine Test Kit contains 40 tests.

    $29.30

    Easily test the nitrate level in your tank. Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available to each testing method. The Salifert Nitrate Test Kit contains 60 tests.

    $17.37

    Easily test the nitrite level in your tank. Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available to each testing method. The Salifert Nitrite Test Kit contains 60 tests.

    $11.86

    Easily test the phosphate level in your tank. Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available to each testing method. The Salifert Phosphate Test Kit contains 60 tests.

    $19.61

    Easily test the strontium level in your tank. Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available to each testing method. The Salifert Strontium Test Kit contains 25 tests.

    $33.18

    Easily test the copper level in your tank. Trusted by discerning reefers for years, Salifert Test Kits feature some of the easiest to read results available to each testing method.   Contains 50 Tests Test Range - 0.05 to 2.0 ppm

    $16.97

    Replacement float level switch for the Theiling Rollermat. If your Theiling Rollermat has any parts that are damaged, worn, or you simply just want to keep an extra on hand we carry OE Theiling replacement parts.

    $19.99

    …consumed by all corals and most marine invertebrates to create a calcium carbonate structure, and over time the alkalinity level in your aquarium may drop below proper levels. In almost all reef tanks a calcium and alkalinity dosing regime will need to be implemented (also known as 2-part dosing)…

    $52.00

    …is used by all corals and most marine invertebrates to create a calcium carbonate structure, and over time the calcium level in your aquarium may drop below proper levels. In almost all reef tanks a calcium and alkalinity dosing regime will need to be implemented (also known as 2-part dosing)…

    $52.00

    …increased biological digestion of organic solids, we recommend increasing your O2 levels via the addition of airstones prior to and during treatment. No need for water changes or removal of carbon filtration. Dissolve one level spoonful for every 15 gallons -- one container treats up to 300 gallons.

    $17.99

    Max Tank Thickness - 1/2"   The VeggieMag uses a strong magnet to hold your SeaVeggies clip in place on windows up to 3/4” thick. Easy to position at any level in the aquarium and easy to retrieve because it floats.

    $20.94

    …magnesium is required to keep a super-saturated level of calcium and carbonates in solution. If you find you are having trouble keeping your alkalinity or calcium levels where you want them, you may be low on magnesium and magnesium to recommended levels will help keep those in solution. Regular…

    $17.99

    …alkalinity levels are slowly rising, we suggest subtracting 10% per day until it is stable. If your alkalinity levels are dropping slowly we suggest raising your daily dose by 10% per day.    Example for 100-gallon aquarium: Alkalinity Level Day 1 @ 8pm - 9.0 dKH (desired level) Alkalinity Level Day…

    $7.49

    …alkalinity levels are slowly rising, we suggest subtracting 10% per day until it is stable. If your alkalinity levels are dropping slowly we suggest raising your daily dose by 10% per day.    Example for 100-gallon aquarium: Alkalinity Level Day 1 @ 8pm - 9.0 dKH (desired level) Alkalinity Level Day…

    $22.99

    …alkalinity levels are slowly rising, we suggest subtracting 10% per day until it is stable. If your alkalinity levels are dropping slowly we suggest raising your daily dose by 10% per day.    Example for 100-gallon aquarium: Alkalinity Level Day 1 @ 8pm - 9.0 dKH (desired level) Alkalinity Level Day…

    $99.99