Testing gH using API Test Kits

General Hardness or gH is the measure of calcium (Ca++) and magnesium ions (Mg++) dissolved in water. General Hardness is measured with the gH Test Kit. Carbonate Hardness, also known as kH, refers to the concentration of bicarbonate (HCO3-) and carbonate (CO3–) dissolved in water. Carbonate Hardness is measured with …

Continue reading

Manila’s King of Koi

I visited an old friend, Mr. Ochi Santos, known to be the Philippines King of Koi.  His passion for koi is unequal to anyone I have known.  He is my ‘Sensei’ master of building koi ponds, medicating koi and breeding koi.  I got infected with his ‘Koi Kichi’ (Japanese word …

Continue reading