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Some other substances are needed as well
Prevents Skimmer Overflows
The Classic 80 watt UV is the premium choice for water sterilization of ponds/aquariums from 2200 to 4400 gallons eradicating bacteria and creating a healthy environment
Turn protein skimming and UV-sterilization off for a period of 4 hours following addition to aquaria
Hanna Instruments pHep+ Waterproof Pocket pH Test - 0.01 Resolution itemID-7104 Some other substances are neededThe HI98108 pHep+ pH tester provides high accuracy measurements in a rugged pocket sized design. This meter features an exposed temperature sensor that will provide rapid automatic temperature compensated measurements. The simple two button operation provides one button for ON OFF, the other for calibration. Being lightweight and only 0. 7" thick, the pHep+ is extremely ergonomic and fits comfortably in your hand. Large, Easy to Read Display
