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Precision calibration solution for electronic salinity monitors53.0 mS standardized fluid provides accurate reference pointCan also be used as a reference solution for refractometersCalibration solution for Pinpoint Salinity Monitor. This 53.0 mS (milliseimens) standardized fluid from American Marine Inc. matches the refractive index of 35 ppt (parts per thousand) seawater, making it an ideal reference solution for refractometers.Please click on "More Information" for calibration tips.

Temperature Controlled And Maintained By A Highly Precise Micro-Switch, Ptc Element, Can Be Used Positioned Inside Some Hydor Filters.

High thermal diffusion for quicker more efficient aquarium heating. for use in aquariums up to 15 u.s. gallons. highly accurate temperature range from 66 to 90 degrees farenheit.

Product Details
Assemble heater with clips and suction cups. place anywhere in aquarium where there is a continuous water circulation. after placing heater in tank leave it for fifteen minutes before plugging it in.
500-micron solid-silver contact thermostat eliminates contact welding that causes overheating. temperature control mechanism is computer calibrated in water. features illuminated temperature reading on top and side of heater.

Thermal compact pre-set water heater for all aquariums. adjustable dial makes it easy to read. features water proof seal pilot light and a ceramic heater core.

Product Details
Completely submersible in fresh or salt water; easy to read adjustable dial; easy to install and maintain; compact size ideal for all aquariums.
50 watt; 110 volt; 10.5 (25 cm); precision engineered; unique suction bracket firmly holds heater in any location or position; magnetically equipped to prevent arcing and prolong contact point life; no radio interference;

500 Ways to Be a Better Saltwater Fish Keeper is a comprehensive references of practical advice from seasoned experts.

500 Ways to Be a Better Freshwater Fish Keeper is a comprehensive references of practical advice from seasoned experts.

A ph buffer and alkalinit or carbonate hardness builder designed to adjust the ph of saltwater aquariums to the range of 8.0 to 8.3 and build the kh. the finest bufer available for either fish only or reef type marine aquariums.

Product Details
Designed to mix clear with little or no cloudiness or precipitation. will not flake on your corals as other competing products can.
500 gram
Specially formuilated ph buffer.

Provides required light for essential biological reactions. enhances color and clarity. full-spectrum. high-intensity output.

Product Details
50/50 vho flourescent lamp.
24 inch
50/50 vho flourescent lamp. 50% natural daylight and 50% actinic 03 blue. 24 inch. 20 watt.

50/50 lamps combine 50% 10 000k with 50% true actinic 03 blue phosphors for essential biological reactions. organisms dependent on light for photosynthesis thrive as colors and clarity are enhanced by the 50/50 lamp.

Product Details
The coralife 50/50 lamp is the lighting solution when space is limited or if the acquarium needs more color.
55 watt
21 inch 55 watt compact fluorescent lamp.

AquaClear's unique CycleGuard protection is achieved by combining multiple inserts with the largest media volume available (over 6X greater than any comparable cartridge). Alternate replacement of inserts preserves sufficient bacteria populations to rapidly re-seed the biological filter after cleaning. Foam filter blocks are cut to fit each of the AquaClear filters precisely to trap dirt and debris. May be rinsed and reused to preserve the beneficial bacteria colonies.Foam Foam filter blocks are cut to fit each of the AquaClear filters precisely to trap dirt and debris. May be rinsed and reused to preserve the beneficial biological bacteria colonies. 4-5/8" x 2-1/4" x 1-1/2".Carbon Activated Carbon functions effectively to remove dissolved and liquid waste, medications and dyes. Provides many points for the attachment of nitrifying bacteria. 5-3/4" x 2-3/4" insert.Amrid Zeolite in specially sized bags for removal of ammonia. For use with freshwater only. 4-1/2 oz.BioMax Inert ceramic rings promote powerful bacterial growth for biological removal of both ammonia and nitrite.