Dr. Tim's Aquatics Ammonium Chloride Solution for Cycling Aquariums, 2-oz bottle
$3.76
$3.96
FREE 1-3 day shipping over $49
See success at every level
Autoship&Save: Save an extra 5% on select Dr. Tim's Aquatics items with every Autoship order.
More Choices Available
Dr. Tim's Aquatics Waste-Away Natural Aquarium Cleaner for Freshwater Aquariums, 16-oz bottle
$15.55
$16.37
FREE 1-3 day shipping over $49
More Choices Available
Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Reef Aquariums, 2-oz bottle
$12.23
$12.87
FREE 1-3 day shipping over $49
More Choices Available
Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Freshwater Aquariums, 8-oz bottle
$28.45
$29.95
FREE 1-3 day shipping over $49
Dr. Tim's Aquatics Re-Fresh Freshwater Tank Revitalizer, 8-oz bottle
$13.20
$13.89 $18.47
FREE 1-3 day shipping over $49
More Choices Available
Dr. Tim's Aquatics Waste-Away Natural Aquarium Cleaner for Reef Aquariums, 16-oz bottle
$15.71
$16.54 $18.33
FREE 1-3 day shipping over $49
Dr. Tim's Aquatics First Defense Freshwater Aquariums Stress Relief & Immune Support, 8-oz bott…
$9.97
$10.49 $14.99
FREE 1-3 day shipping over $49
Dr. Tim's Aquatics Re-Fresh Reef Tank Revitalizer, 8-oz bottle
$14.39
$15.15 $20.71
FREE 1-3 day shipping over $49
More Choices Available
Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Saltwater Aquariums, 2-oz bottle
$12.23
$12.87
FREE 1-3 day shipping over $49
More Choices Available
Dr. Tim's Aquatics NP-Active Pearls for Nutrient Control in Aquariums, 450-mL bottle
$37.99
$39.99
FREE 1-3 day shipping over $49
Dr. Tim's Aquatics Re-Fresh Saltwater Tank Revitalizer, 8-oz bottle
$19.67
$20.71
FREE 1-3 day shipping over $49
Dr. Tim's Aquatics Waste-Away Natural Aquarium Cleaner for Saltwater Aquariums, 8-oz bottle
$12.49
$13.15 $17.99
FREE 1-3 day shipping over $49
More Choices Available
Dr. Tim's Aquatics One & Only Freshwater Aquarium Cleaner, 32-oz bottle
$112.83 $161.19
FREE shipping on this item
More Choices Available
Dr. Tim's Aquatics AquaCleanse Freshwater Aquarium Cleaner, 32-oz bottle
$16.51 $23.59
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics First Defense Freshwater Aquarium Cleaner, 16-oz bottle
$15.81 $22.59
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics Clear-Up Freshwater Aquarium Cleaner, 16-oz bottle
$21.55 $30.79
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics Re-Fresh Freshwater Aquarium Cleaner, 16-oz bottle
$33.03 $47.19
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics Eco-Balance Freshwater Aquarium Cleaner, 16-oz bottle
$19.59
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics Waste-Away Freshwater Aquarium Cleaner, 64-oz bottle
$49.41 $70.59
FREE shipping on this item
More Choices Available
Dr. Tim's Aquatics One & Only Saltwater Aquarium Cleaner, 32-oz bottle
$199.99
FREE shipping on this item
More Choices Available
Dr. Tim's Aquatics AquaCleanse Saltwater Aquarium Cleaner, 32-oz bottle
$18.33 $104.39
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics First Defense Saltwater Aquarium Cleaner, 32-oz bottle
$31.07 $44.39
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics Clear-Up Saltwater Aquarium Cleaner, 16-oz bottle
$17.63 $34.59
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics Re-Fresh Saltwater Aquarium Cleaner, 16-oz bottle
$36.95 $52.79
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics Eco-Balance Saltwater Aquarium Cleaner, 32-oz bottle
$26.87 $38.39
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics Waste-Away Saltwater Aquarium Cleaner, 32-oz bottle
$33.17 $47.39
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics Reef One & Only Marine Aquarium Cleaner, 32-oz bottle
$139.99 $199.99
FREE shipping on this item
More Choices Available
Dr. Tim's Aquatics Reef First Defense Marine Aquarium Cleaner, 16-oz bottle
$17.63 $25.19
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics Reef Clear-Up Marine Aquarium Cleaner, 16-oz bottle
$17.63 $34.59
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics Reef Re-Fresh Marine Aquarium Cleaner, 16-oz bottle
$36.95 $52.79
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics Reef Eco-Balance Marine Aquarium Cleaner, 16-oz bottle
$15.53 $22.19
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics Reef Waste-Away Marine Aquarium Cleaner, 64-oz bottle
$55.29 $78.99
FREE shipping on this item
More Choices Available
Dr. Tim's Aquatics One & Only Koi Ponds & Water Gardens Cleaner, 16-oz bottle
$64.67 $92.39
FREE shipping on this item
More Choices Available
Dr. Tim's Aquatics AquaCleanse Koi Ponds & Water Gardens Cleaner, 32-oz bottle
$17.21 $24.59
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics First Defense Koi Ponds & Water Gardens Cleaner, 16-oz bottle
$16.51 $23.59
FREE shipping over $49
More Choices Available
Dr. Tim's Aquatics Clear-Up Koi Ponds & Water Gardens Cleaner, 16-oz bottle
$22.67 $32.39
FREE shipping over $49
Dr. Tim's Aquatics
Dr. Tim’s Aquatics is the recognized expert in aquarium nitrification and microbiology. Led by decorated biologist, Dr. Timothy A. Hovanec, their team of experts is dedicated to delivering the finest products for every hobbyist.