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The Foam Block Distribution Plate is perforated with holes and can be used when filter socks are not desired or in the case when the filter socks need to be changed or cleaned but replacement socks are not readily available and you want to maintain some level of mechanical filtration
For those small systems (usually small all-in-one aquariums) where the float valve will not fit
0″ input)
SEPARATE INDICATOR AND TITRATION SOLUTION
This greatly increases the contact time of the air bubbles in the water column
Hanna HI782 Saltwater Nitrate High Range Checker® HC Kessil The Foam Block Distribution PlateThe HI782Marine Nitrate High Range Colorimeter is designed to accurately determine low range nitrate levels in saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors visually. Range: 0. 00 to 5. 00 ppm (as NO3) [0. 0 to 50. 0 ppm (calculated) using dilution] Built in timer so you don't miss a step. Saltwater Compatible The HI781 CheckerHC (Handheld Colorimeter) is a simple, accurate, and
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