Does it cost anything to calibrate them? I've been shopping around and noticed you can purchase solutions at a specific PH for these. I assume to calibrate them?
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90 gallon - planted, pictus cats, pleco, dojo loach, tiger barbs, danios, guppies
20 gallon long - planted, pleco, guppies, ghost shrimp, bamboo shrimp, cories, loach
10 gallon - bala sharks |