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Ships within 48 hours · Estimated delivery Sep 23 - Sep 28
No test kits
Disposable CO2 cartridge makes it convenient in not having the hassle of refilling it
In other words
The Alert Combo™ pack combines Ammonia Alert® (1 card) and pH Alert® (1 card)
Place it horizontally or vertically near the water intake or the way where water flows
Hole Stone Qty:5lbs No test kitsHole stone is a fascinating and unique rock. It gets its name from the numerous holes and cavities that are present throughout the rock, creating a unique and naturalistic appearance. The rock is a type of limestone that forms through a process of precipitation from groundwater that contains dissolved minerals. Over time, the minerals form into layers that compress and harden to create a solid rock. The holes and cavities in the rock are formed when