Cheap way to supplement alk, cal?

LimeTwist

New member
For those who have full blown sps tank that doesnt run calcium rx. What is your cheapest method on supplmenting you calcium and alk?
 
Kalkwasser is the absolute cheapest way. It'll sustain a moderately well stocked sps load. Mrs wages pickling lime from Walmart. It's like $3 for a pound and that will last several months depending on tank size.


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What do you mean by cheap? Cheap to buy the chemicals, or cheap to get the setup going?

Dripping saturated Kalk is cheap, but very labor intensive - you can do this with Mrs Wages, a gallon milk jug, some airline and a flow control pinch. Manually dosing 2 part is cheap, but very labor intensive - you need two milk jugs, some airline and a few control pinches. If you automate either, it can get quite expensive if you have actual, useful redundancy to prevent a crash and quality equipment - you can spend hundreds on this.

If you factor in the long term CaRx is probably the cheapest... especially if you get a nice used setup for pennies on the dollar.

If you do decide on two-part, Dowflake and Baking Soda are your friend, like what RHF recommends - don't waste your money on stuff from BRS or the like which marks it up 10x, or more.
 
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