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One out of four sprouts in my tent isn't developing any leaves or roots. This are autos. The rest is already developing their fourth leave. Can I just replace this by a fresh seed and germinate in the netpot. It's going to be behind the other ones but would this be an issue?

... busy setting up my second (DIY) rdwc system Till now very happy with my first one ... one week auto sprouts getting already third set of leaves since I'm germinate them straight into the rockwool cubes ... let's hope all stays stable :weed:

Appreciated @Jimski ... so it's just a case of blowing in reverse through the return line ...

For my converted dwc/rdwc system I want to use this tubing in black for my return water. ... and insert this 1" irrigation filter ... is this something that easely can clog up from nut and plant debris?

plus I need to make Icepacks ... alot of them

If I can't get the watertemp down with reflective tape and Ice-cubes ... I need to consider a water chiller.

For me in the pipeline is also a conversion from dwc to rdwc. I don't like the fixed pipe setup cause of the flexibility to adjust the bucket/tent spacing. What is your plans for the conversion?

I will keep a close eye on those sprouts now :hump: Had to put some Ice-cubes in the reservoir cause off upping the light the water temp raised till 23 degree Celsius.

Is 150 μmol/m^2/s ppfd per sprout ok?

@Jimski thanks for all your fine help so far. I use a scheme for my nuts ... that's why I confused the 700ppm instead off 300ppm for seedlings. It's in my native language

I was thinking ... if my start off ppm is 400 and I add nuts ... then my ppm can be 700 ... no?

How big is your tent @2WorldsFrog? ... Your buckets are setup quit compact! :p

Nice! I learn so much from you guys :hug:

Thanks @Jimski ... Indeed I made a mistake with the ppm's ... need to clean off my water :wall: My tap water already starts at 300ppm without adding anything ... Did alot of bleach ... so hope the algea will not popup ... but I'm going to cover that rockwool with bleached perlite ... When the...

It's the most compact I get the system because off the tubes plumming ... In the future I like to see the buckets closer to eachother in my other tent. Thanks @2WorldsFrog for the vent tip ... I have another two sitting as spair pieces. I put allready nuts in the system at 1.6 EC. Hope I...

Jacuzzis are setup and put the sprouts in the bubbles ... ... need to recover with the auto strains ... messed up with the photo strains :wall: It's not easy but I will try to let them germinate in the bubblephonics.

Are phosphorus and boron good for one week old sprouts?

Appreciated ... later I will look into cloning. First I need to do a few runs. Then I can collect the best and strongest strains. :weed:

Can those sprouts recover themself? Some look dry.

One thing I have learned so far ... is that you need to germinate more seeds then u require for your RDWC system. I suspect some sprouds may fail others take ages to germinate ... It*s a patient process to get them to the stage untill u can put them in the perlite. But I enjoy to nurse and watch...