The automatic top off (ATO) of our aquariums has been receiving an increasing amount of attention in recent years. One of the nicest kits released recently is Aquahub’s Top-it-Off Kit Premium. The gear includes all the wiring, floats, switches and relays necessary for putting together your very own customized ATO. Ocean@Home indulged in the $50 premium package and they give the full review and rundown of how this DIY kit worked out on their tank.
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