Liquid Test
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FOOD GRADE DIATOMACEOUS EARTH CODEX Fresh Water 10lb |  |
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US $9.99 | 28d 9h 44m |
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Saltwater Fish Tank Aquarium Supplies and Accessories | |
3 Bids | US $11.50 | 13h 13m |
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80 1 14 PH Tester Strap Indicator Paper Aquarium AU33 | |
0 Bid | US $.01 | 17h 4m |
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PENTAIR POOL AND SPA TEST KIT R151186 | |
0 Bid | US $4.99 | 1d 3h 45m |
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3 BOTTLES BEEF SYN FLEX LIQUID GLUCOSAMINE PET SYNFLEX | |
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US $69.99 | 23d 2h 28m |
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FRONTLINE PLUS FOR CATS 8 DOSE FLEA TICK KIT | |
US $15.00 | 23d 7h 3m |
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80 Full Range 1 14 pH Test Paper Strips Litmus Testing | |
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US $2.93 | 10d 23h 14m |
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80 1 14 PH Tester Strap Indicator Paper Aquarium AU33 | |
0 Bid | US $.01 | 1d 17h 4m |
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80 1 14 PH Tester Strap Indicator Paper Aquarium AU33 | |
0 Bid | US $.01 | 2d 17h 3m |
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BEEF SYNFLEX LIQUID GLUCOSAMINE SYN FLEX FREE SHIPPING | |
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US $24.95 | 1d 14h 37m |
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FOOD GRADE DIATOMACEOUS EARTH CODEX Fresh Water 2lb | |
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US $8.99 | 22d 19h 43m |
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Brix Refractometer 0 18 Low Sugar CNC Maple sap NEW | |
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US $27.47 | 26d 17h 11m |
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PupHead Indoor Dog Restroom Mat And Tray System | |
0 Bid | US $49.99 | 3d 12h 54m |
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FRONTLINE PLUS DOGS 45 88 FLEA TICK KIT 15 DOSES | |
US $15.00 | 26d 4h |
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FRONTLINE PLUS DOGS 23 44 FLEA TICK KIT 3 DOSES | |
US $15.00 | 26d 3h 46m |
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FULL RANGE 1 14 PH TEST PAPER 80 STRIPS LITMUS TESTING | |
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US $2.65 | 13d 20h 42m |
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FRONTLINE PLUS FOR CATS 8 DOSE FLEA TICK KIT | |
US $15.00 | 25d 10h 32m |
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FRONTLINE PLUS DOGS 1 22 FLEA TICK KIT 6 DOSES | |
US $15.00 | 25d 10h 28m |
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FRONTLINE PLUS DOGS 1 22 FLEA TICK KIT 6 DOSES | |
US $15.00 | 25d 10h 28m |
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Kent Marine Pro Buffer dKH 64 oz | |
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US $19.99 | 21d 6h 5m |
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Banixx Wound Hoof Care For Thrush White line More | |
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US $24.95 | 17d 10h 50m |
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Amquel Plus 16oz | |
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US $7.95 | 18d 4h 18m |
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FRONTLINE PLUS DOGS 1 22 FLEA TICK KIT 6 DOSES | |
US $15.00 | 23d 8h 2m |
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FRONTLINE PLUS FOR CATS 8 DOSE FLEA TICK KIT | |
US $15.00 | 23d 7h 9m |
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80PCS PH TEST PAPER STRIP 1 14 FULL RANGE LITMUS KIT | |
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US $2.65 | 1d 22h 18m |
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6 PACK POLY CARBON FLUVAL U U3 INTERNAL AQUARIUM FILTER | |
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US $11.95 | 23d 10h 28m |
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Digital PH Tester Pen Set for Pools Aquariums Tap Water | |
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US $36.74 | 10d 2h 9m |
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Salinity Meter w Temp 0 70ppt Water Quality Tester | |
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US $43.09 | 29d 16h 28m |
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FOOD GRADE DIATOMACEOUS EARTH CODEX Fresh Water Organic | |
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US $22.99 | 26d 7h 21m |
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Ceramic Tile Parrot at the Coast 11 x 14 | |
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US $39.95 | 6d 17h 9m |
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Tempo SC Ultra Pest Control Concentrate Makes 2 gals | |
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US $10.95 | 20d 11h 3m |
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Dumb Cat 32oz with Sprayer FREE SHIPPING | |
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US $19.99 | 15d 19h 28m |
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160 1 14 PH Tester Strap Paper Indicator Aquarium AT98 | |
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US $1.00 | 24d 17h 3m |
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Korallin C 4002 Calcium Reactor without Pump media no | |
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US $552.99 | 29d 6h 59m |
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Nitrate Nitrite Test Change Water Fish Aquarium Ponds | |
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US $8.00 | 29d 5h 32m |
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EcoPure Natural Odor Spot Remover 32 oz | |
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US $11.99 | 29d 5h 10m |
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EcoPure Natural Odor Spot Remover 16 oz | |
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US $6.99 | 29d 5h 10m |
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ToxiBan Suspension with Sorbitol 240mL | |
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US $21.99 | 29d 5h 6m |
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pH Meter Monitor Power Adaptor w Rechargeable Battery | |
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US $41.25 | 28d 22h 51m |
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12 PACK FLUVAL 2 PLUS FILTER CARBON REPLACEMENT PADS | |
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US $15.95 | 28d 11h 26m |
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400 Full Range 1 14 pH Test Paper Strips Litmus Testing | |
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US $4.48 | 9d 2h 43m |
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Caribsea ReefCal Liquid Calcium Supplement 1 Gallon | |
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US $79.79 | 28d 12h 7m |
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FULL RANGE 1 14 PH TEST PAPER 80 STRIPS LITMUS TESTING | |
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US $2.65 | 27d 21h 48m |
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Brightwell Aquatics Alkalin83 Liquid pH Buffer Al | |
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US $7.19 | 28d 8h 14m |
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Brightwell Aquatics Alkalin83 Liquid pH Buffer Al | |
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US $7.19 | 28d 8h 14m |
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Brightwell Aquatics Calcion P Dry Calcium Supplement | |
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US $12.49 | 28d 8h 2m |
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Brightwell Aquatics Strontion Liquid Strontium Suppl | |
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US $9.89 | 28d 8h 2m |
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Brightwell Aquatics Calcion Liquid Calcium Supplemen | |
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US $9.89 | 28d 8h 2m |
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Brightwell Aquatics Calcion P Dry Calcium Supplement | |
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US $12.49 | 28d 8h 1m |
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Brightwell Aquatics Strontion Liquid Strontium Suppl | |
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US $9.89 | 28d 8h 1m |
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Brightwell Aquatics Calcion Liquid Calcium Supplemen | |
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US $9.89 | 28d 8h 1m |
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FOOD GRADE DIATOMACEOUS EARTH Case of 4 3lb jars | |
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US $24.99 | 23d 9h 18m |
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Tempo SC Ultra Premise Spray by Bayer 240ml | |
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US $40.75 | 26d 5h 52m |
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Dumb Cat Super saver 1 Gal 1 Qt UV LITE FREE SHIPPING | |
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US $59.99 | 27d 19h 21m |
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Digital LCD PH Meter Tester Electrode Wall Mounted | |
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US $36.74 | 27d 18h 15m |
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TURBO Calcium Kent Marine Reef Saltwater Additive 200g | |
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US $7.95 | 27d 17h 7m |
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ZODIAC CARPET PUMP SPRAY 24z FLEA TICK KILLS ON CONTACT | |
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US $26.99 | 27d 12h 47m |
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TWO Dumb Cat 32oz with Sprayer FREE SHIPPING SAVE BIG | |
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US $29.99 | 25d 9h 9m |
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FOOD GRADE DIATOMACEOUS EARTH CODEX Fresh Water 3lb | |
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US $11.99 | 22d 19h 51m |
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FRONTLINE PLUS DOGS 45 88 FLEA TICK KIT 3 DOSES | |
US $29.50 | 26d 4h 4m |
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FRONTLINE PLUS DOGS 45 88 FLEA TICK KIT 3 DOSES | |
US $29.50 | 26d 4h 4m |
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Kent Liquid Reactor Buffer Aquarium Treatment 2 16oz | |
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US $6.99 | 25d 14h 52m |
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1 14 FULL RANGE PH PAPER TEST 80 STRIPS LITMUS TESTING | |
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US $2.65 | 17d 14h 33m |
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160 1 14 PH Tester Strap Paper Indicator Aquarium AT98 | |
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US $2.15 | 24d 17h 49m |
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FOOD GRADE DIATOMACEOUS EARTH Case of 4 2lb jars | |
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US $21.99 | 23d 9h 11m |
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At Ease for Dogs 8 oz 16081 | |
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US $5.19 | 24d 10h 1m |
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Freshwater Master Test Kit Aquarium Kit NEW | |
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US $21.65 | 24d 8h 53m |
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6 PACK POLY CARBON FLUVAL U U4 INTERNAL AQUARIUM FILTER | |
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US $13.95 | 23d 10h 28m |
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pH Meter Monitor Power Adaptor Rechargeable Battery | |
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US $41.25 | 23d 23h 23m |
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6 PACK POLY CARBON FLUVAL U U2 INTERNAL AQUARIUM FILTER | |
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US $10.95 | 23d 10h 27m |
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FRESHWATER MASTER LIQUID TEST KIT | |
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US $17.99 | 21d 11h 16m |
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Pet Dophilus 2 oz 705 g Powder Jarrow Formulas | |
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US $20.86 | 23d 8h 21m |
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FULL 1 14 TESTING RANGE PH TEST PAPER 80 STRIPS LITMUS | |
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US $2.65 | 16d 21h 21m |
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Reef Master Reverse Osmosis RO DI Aquarium Water Filter | |
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US $149.00 | 22d 17h 44m |
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Deluxe Reef Aquarium Reverse Osmosis RO DI Water Filter | |
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US $209.00 | 22d 17h 25m |
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Deluxe Reef Aquarium Reverse Osmosis RO DI Water Filter | |
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US $209.00 | 22d 17h 24m |
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Reef Aquarium RO DI Reverse Osmosis Water Filter 75 gpd | |
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US $129.00 | 22d 17h 16m |
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Reef Aquarium RO DI Reverse Osmosis Water Filter 75 gpd | |
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US $129.00 | 22d 17h 15m |
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Reef Aquarium RO DI Reverse Osmosis Water Filter 75 gpd | |
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US $129.00 | 22d 12h 34m |
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Brightwell Aquatics Strontion P 150 g | |
US $10.95 | 22d 10h 10m |
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Professional PH meter Temperature High Accuracy ±002PH | |
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US $44.01 | 22d 9h 11m |
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Kent Concentrated Liquid Calcium 8oz New | |
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US $5.98 | 22d 8h 16m |
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Dumb Cat Urine and cat Spray Remover 1 Case 4 Gallons | |
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US $79.99 | 22d 6h 13m |
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SIMPLE REGULATOR CO2 Regulator Solenoid Diffuser FISH | |
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US $29.99 | 21d 11h 52m |
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WATERPROOF DIGITAL PH METER TESTER for AQUARIUM WATER c | |
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US $36.66 | 20d 18h 21m |
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Dual Pass Reef Master 200 Reverse Osmosis RO DI Filter | |
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US $229.00 | 20d 17h 29m |
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Dual Pass Reef Master 200 Reverse Osmosis RO DI Filter | |
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US $229.00 | 20d 17h 28m |
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Reef Aquarium Reverse Osmosis RO DI Water Filter 150GPD | |
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US $189.00 | 20d 17h 20m |
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Reef Aquarium Reverse Osmosis RO DI Water Filter 150GPD | |
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US $189.00 | 20d 17h 20m |
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Brightwell Aquatics Strontium Reef Supplement 500ml | |
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US $13.99 | 20d 7h 43m |
How do you scientifically test a liquid to identify water?
In my chemistry class, we are writing a paper about identifying unknowns. Our teacher says all the compounds we need to identify will look like water. I have found ways to identify various ionic compounds, but how can you verify that an unknown compound is water scientifically?
There are a few simple tests you could do. If you smell it, and it has an odor, it isn't pure water. If you put it in the freezer, and it doesn't freeze, it isn't pure water. If you test it with pH paper, and the result isn't 7, it isn't pure water.
If you have scientific equipment, you could measure the refractive index (which is 1.33 to 1.34 for water). You could measure the freezing point, which should be 0C. You could scan it with an IR spectrometer, and then scan a known water sample, and compare the two.
Ideally you want to do a few tests to make sure they all come to the same conclusion.
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