Starter is watery? It's been already 10 days.

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So my starter is watery it's my first time so i need your advice.

I use flour all purpose. 

Half cup of flour and half cup of water , i do it that every morning. It's summer here and is kind of hot at 30 degrees.

I made a video so you can see what's going on , sorry if my starter looks dirty i clean it that day after that video and i was bored to make another one xD so yeah , and thanks for your help.

 

https://youtu.be/Q8qWFWHh9FI

 

First rule of hydration. 100% hydration is equal parts flour to water by weight, not volume. 

1/2 cup water = 118g (ml)

1/2 cup AP flour can vary but it's about = 62g

So to work out hydration you divide the water by flour and multiply by 100. 

118 / 62 X 100 = 190% hydrated

 

I suggest for the next feed you discard half and then only add flour. Thicken it up so it's a thick paste. Then don't feed again till you see bubbles. Until then stir and keep warm. Once you see activity then start to feed again. 

Keep half a cup starter and feed 1 cup flour + 1/2 cup water. 

Get some wholegrain in there as well.

Only keep a small tupperware container with about 80-100g starter. 

Always feed it with boiled water which has cooled! 

When it's down to 1/3rd I'll top it up with some water, stir till it's all dispersed then thicken it up with some AP or bread flour and some wholegrain. 

Today was AP flour + whole spelt + a bit of whole rye. Everything was eyeballed. Excuse the amateur video as it's the first one I've done and holding my phone with one hand while stirring a thick starter with the other.