Thx for intresting.I`m from Poland not sweeden. I`m not beginner in planted tank. Here my last fotos in hard water.
Now i want to have soft water and have plantas like fructata or walichsi.
My friend say that I must prepare only ro water ant i will be now witch water i have.He say that is the best method.
If the numbers are incerrect maybe we help me to careate correct numbere.
And one thing!!! I dont say that K give me Gh , onlt that the co3 give me kh when I add k2co3.And additionaly i reach 15 ppm K
I need in my water hardness aprokimetley 5(gh and kg), 20 ppm of K and MG.
But i dont now how much i need Mg ???? In my hard water are a lot of mg and i add only 5 ppm to change water.But i dont now how much a need to soft water.
I now that ca to mg must be as 4to 1.
Help me in this problem.
And i cannot measure for eXample K and i will only add K to change water. 20 ppm should be correct.
I change 33% of water.
I want to make this water with 20ppm K , ?? ppm mg and hardneses 5 and to this water add 20 ppm No3 and 1,5 ppm Po4. That give me when i will be change tank water to this constant value of K , Mg and Ca.The levels of Po4 and no3 are high because if i add 1/3 water with this ranges to 2/3 with 0po4 and 0 no3 that give me 0,5 ppm of po4 and about 7 ppm of no3.If the tank water will be have the levels hogher for example 20 ppm of no3 and 1,5 ppm of po4 nothing be changed because I drain off and add this same water
I have low level of fish and I not that levels of nutrients and phosphorates will be come down and therefore the ranges in fres water are so high.But this no mater besause i do this for a 2 monts and its great method but i want you help me build water wit k, mg and ca.
I dont use k2so4 because the so4 can be to high if i add mgso4 and k2so4 therefore i use mgso4 ans k2co3 and i can to buy caco3 and soda too.
What do you advice me?
I want to have ideal water.Now I have 13 Gk and ( kh and i dont now the levels of Mg and K.This piss off me
ps.For what i must add cl with cacl2 ????