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I have salf made automatic R.O water changer, Digital timer based. So i want to know that how much water change are requirde .and what is this the best T.D.S and KH Value

Timer with N/O N/C

water level (water come from aquarium) connect with solenoid valve control by timer (N/O)

R.O and solenoid valve power control by timer (N/C)

float switch for off to R.O

pramod yadav wrote:I have salf made automatic R.O water changer, Digital timer based. So i want to know that how much water change are requirde .and what is this the best T.D.S and KH Value

please give more details of the process with pictures if possible. as for the TDS etc varies as per fish being kept.

Water Change quantity based on following:

1. Fish sp.
2. Tank Size
3. Bioload
4. Filtration.

So show here all the above mentioned, so that we can suggest.

SCORPIO wrote:Water Change quantity based on following:

1. Fish sp.
2. Tank Size
3. Bioload
4. Filtration.

So show here all the above mentioned, so that we can suggest.

Since he has cichlids, i think he needs better than average filtration. ..

My aquarium is 80 liter .And filter is Aqua one model 1200 (1200liter/ hour) filter media 7.5 liter
https://picasaweb.google.com/1013909476 ... 7801592562https://picasaweb.google.com/1013909476 ... 1337168146

pramod yadav wrote:My aquarium is 80 liter .And filter is Aqua one model 1200 (1200liter/ hour) filter media 7.5 liter
https://picasaweb.google.com/1013909476 ... 7801592562https://picasaweb.google.com/1013909476 ... 1337168146

beautiful tank Pramod

Since its a planted tank your dosing method would also be important while considering water changes.. What is your fertilizers dosing regime... which method are you following...??
If its the EI method or PMDD then you have to change 50% per week...

The TDS and Kh values would depend on the livestock that you have....