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The HYDROS Auto Top-Off Kit comes with everything you need to use your HYDROS device (like the Control 2 or Control 4) as an ATO system
but the main goal is to produce enough flow to keep low-flow spots from forming in your tank and help elevate detritus to be sucked into the filtration
Integrated Manual Neck Cleaner
1x Foam Guard
which controls and monitors the exact length of the used mat
B-Ionic Calcium 1 Gallon Concentrate Additives The HYDROS Auto Top-Off KitMaintaining Alkalinity and Calcium levels shouldn't be complicated. Simplify with the original easy to use ionically balanced 2 part buffer system. It's an economical alternative to a calcium reactor, and when used in equal parts, the aquarist can easily maintain calcium and alkalinity levels with no mixing of powders, disruption of ionic balance, or addition of organic chemicals. In addition to supplying highly concentrated calcium and carbonate
